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Talk about professions, workplaces, daily schedules, and professional life using past, present, and future tenses together.

HSK 5 | noun | a person's or society's set of moral and ethical values

HSK 5 | verb/noun | biological or metaphorical decline to a lower or weaker state

HSK 4 | noun | a widespread outbreak of infectious disease

Sindarin personal pronouns: subject, object, and possessive forms — with worked examples from attested texts.

HSK 3 | adjective / adverb | acting on one's own initiative without being asked

HSK 2 | noun | a question to ask, a problem to solve

HSK 4 | adjective | being passive or acted upon rather than acting

HSK 8 | noun | thermodynamics; the branch of physics dealing with heat and energy

Esperanto vocabulary for school, university, subjects, learning, and academic life.

友 (yuu/tomo): friend. JLPT N5 kanji.

HSK 3 | verb / noun | to pay attention to, be careful about; attention

HSK 3 | verb | to be afraid, to fear, to be scared

HSK 3 | noun | ability, capability, skill, capacity

Master Japanese noun modification through relative clauses (plain form + noun), 〜という + noun, and the critical nominalizers 〜の and 〜こと. Learn 〜ところ, ことがある (experience/possibility), ことにする, and ことになる.

HSK 4 | noun | an official course of action adopted by a government or organization

HSK 4 | noun/verb | taking action in advance to stop something bad from happening

HSK 4 | adverb | describing reciprocal actions between parties

HSK 4 | noun | a distinct phase or stage in a process or development

HSK 7 | verb | induction of temporary loss of sensation or consciousness for surgical procedures

伝える (つたえる / tsutaeru): to convey, tell. N4 level Japanese vocabulary.

HSK 3 | verb / noun | to answer, to reply; an answer, a response

HSK 3 | verb/noun | to consult or use as a reference

HSK 5 | noun/adjective | system; systematic, comprehensive

HSK 1 | noun | Chinese language, written Chinese

HSK 5 | adjective | external, outward, superficial (as opposed to internal)

JLPT N4 kanji 郵 — readings, vocabulary, stroke order, mnemonic, and common confusion pairs.

HSK 1 | noun | room (inside a building)

HSK 1 | noun | one's younger sister

HSK 3 | adjective / verb | describing hard, tiring work; also used to thank someone for their effort

HSK 3 | noun | a customer who visits a shop or uses a service

Express a full range of emotions in Chinese using 感到, 让我, and a rich vocabulary of emotional states.

HSK 5 | noun | the network of physical devices connected to and communicating via the internet

We are given a partially filled crossword slot and asked to identify which of Eevee's evolutions fits it. The input specifies the length of the word and a string pattern using lowercase letters and dots, where a dot represents an unknown character.

Learn to ask prices, talk about money, and use the 多少钱 question structure in shops and markets.

HSK 5 | noun | the percentage of users who click on a link or ad; click-through rate

Discuss environmental topics using 由于 + cause constructions and 对...有影响 at B1 level.

HSK 1 | particle | marks possession, noun modification, and nominalization

Sindarin words for nature: sky, celestial bodies, weather, water, land, mountains, trees, plants, and animals.

HSK 5 | noun/adjective | democracy; democratic governance

HSK 3 | verb | to make something real; to accomplish a goal

HSK 3 | adverb | often, frequently, regularly — describes a habitual or recurring action

Additional Sindarin derivational suffixes: -ron/-ren (agent/keeper), -dir (man/person), -el (maiden), -on (augmentative), -orn (tree) — with name analysis applications.

HSK 4 | adjective | having a negative, passive, or pessimistic attitude

HSK 4 | noun / verb | going through events that shape understanding

HSK 1 | adverb/pronoun | interrogative asking about manner or reason

All Sindarin negation forms: ú- prefix, avo imperative negation, baw prohibition, and law/lav forms — with attested examples and contextual usage.

HSK 1 | adjective | easy, simple. Antonym: 难 (nán)

HSK 4 | phrase | generally speaking; on the whole; overall

Principles and practice of Chinese-to-English translation at C1 level — equivalence, cultural transfer, and the challenges of formal register

HSK 4 | noun | physical facilities or infrastructure for a purpose

HSK 1 | number | one thousand; used in compound numbers and pricing

HSK 1 | verb | to open, to turn on, to drive

We are given a sequence of integers arranged in a line, and we want to split it into three contiguous segments. The cut points must produce three non-empty parts, and each part must have exactly the same sum.

N1 grammar pattern 〜をものともせず: expressing that someone is completely undaunted by a challenge, obstacle, or adverse circumstance and continues their action.

HSK 5 | adjective | advocating extreme or rapid change; radical

HSK 5 | noun | a legal proceeding; bringing a case to court

Complete Japanese verb conjugation reference: all three verb groups, all forms (polite/plain/te/ta/potential/passive/causative/conditional/volitional) with examples.

HSK 3 | noun | salt, the common cooking mineral

Week-by-week Japanese study plan from absolute beginner to JLPT N1: phased milestones, resource recommendations, and time estimates.

HSK 9 vocabulary reference: the highest level of the HSK standard, covering literary, classical, and culturally rich Chinese vocabulary.

HSK 3 | adjective | interesting, fun, amusing

HSK 1 | number | the digit five

右 (right): 5 strokes, JLPT N5. On: ウ、ユウ. Kun: みぎ.

Sindarin nasal mutation: the complete and corrected change table, scholarly debate on voiceless stops, all triggers (plural article in, preposition an, verb-prefix en-), and worked examples.

N1 grammar pattern 〜てならない: expressing deep, spontaneous, involuntary feelings that cannot be otherwise. Literary register; contrasts with 〜てたまらない and 〜てしかたがない.

HSK 4 | verb | to organize and host a formal event, activity, or exhibition

HSK 8 | noun | fiber optics; thin glass or plastic fibers transmitting data as light pulses

HSK 4 | noun | a specific action taken to achieve a goal or solve a problem

HSK 5 | verb/noun | to show how something is done; a model example for others to follow

HSK 5 | noun | money paid for the use of borrowed capital, or earned on savings

HSK 5 | noun | psychological counseling; mental health consultation

HSK 4 | grammar pattern | expressing preference by rejecting one option in favor of another

HSK 1 | adverb | strong intensifier meaning extremely or exceptionally

Comprehensive N2 capstone with full mock reading passage, 5 comprehension questions, 20 grammar substitution questions, 10 error-correction questions, exam strategy, and Bridge to N1 preview.

HSK 4 | adjective | precise, accurate, exact

HSK 3 | noun | towel, face cloth

HSK 4 | verb / noun | to make progress; to improve; progress

虫 (チュウ/むし): insect; bug; worm. JLPT N5 essential kanji.

Esperanto numbers, counting, arithmetic, ordinals, fractions, and mathematical vocabulary.

HSK 5 | verb/noun | to shape metal or other materials by melting and moulding, or metaphorically to forge character

HSK 3 | adjective/adverb | describes opposition or reversal between two things or ideas

HSK 6 | verb | to officially issue or promulgate laws, regulations, or decrees

HSK 6 | verb | to tell apart, to discern differences between things

HSK 5 | n/v | a rhetorical comparison; to describe something by likening it to something else

HSK 5 | verb | to cause something to move or develop by pulling or leading it forward

HSK 3 | conjunction | however, but — a softer contrast than 但是, often used in conversation

HSK 3 | verb | to hurry toward something or catch a vehicle in time

HSK 4 | adjective | having the taste of salt

本 (book, origin): 5 strokes, JLPT N5. On: ホン. Kun: もと.

HSK 3 | adverb / adjective | certainty or a fixed amount

HSK 5 | noun | ozone layer, the stratospheric layer that absorbs ultraviolet radiation

JLPT N4 kanji 銀 — readings, vocabulary, stroke order, mnemonic, and common confusion pairs.

Learn vocabulary for digital technology and media, and use 用 + tool + V and 关于 + topic constructions to discuss technology in natural Mandarin.

We need to assign each student to one of k buses on each of d days. For every student, we can think of their assignment as a sequence of length d. For example, if d = 3, a student might ride buses (2, 1, 2) over the three days.

HSK 2 | noun | a location, place, or region; also a specific part or aspect of something

なかなか (なかなか / nakanaka): fairly, quite; not easily. N4 level Japanese vocabulary.

HSK 5 | noun | materials used for teaching, including textbooks and instructional resources