brain

HSK 1 | adverb | indicates future repetition of an action

HSK 3 | grammar pattern | additive correlative conjunction expressing escalation

HSK 5 | conjunction | at the same time; simultaneously; meanwhile

HSK 3 | verb / noun | to need, require; a need or requirement

HSK 5 | adjective/noun | subjective; based on personal feelings rather than facts

HSK 3 | noun / adjective | chā: difference, gap; chà: poor, lacking, not up to standard

HSK 1 | adjective | smart, clever, intelligent

〜られる (passive): JLPT N4 grammar pattern. Usage, structure, examples, and comparison with similar patterns.

HSK 5 | noun / verb | feedback, to give feedback

HSK 4 | adjective/adverb/noun | expressing possibility or probability

Deep-dive into Sindarin nature vocabulary: sky, weather, water, plants, trees, and animals — with all attested forms and place name evidence.

HSK 3 | adverb | indicates that something happens after a specific event or time

HSK 1 | adjective | happy, glad, pleased

HSK 1 | adjective, adverb, interjection | good, well, OK, sure

HSK 4 | noun | essential organic nutrients the body needs in small amounts

HSK 3 | adverb | everywhere, all over — in every place, with no location excluded

Master all five major causal expression patterns at N3 level: 〜ため(に), 〜によって/〜による, 〜から/〜ので, 〜て/〜で, and 〜ことから — with full comparative analysis.

HSK 4 | adjective/verb | the state of being in balance or equilibrium

Learn 〜ようになる (come to do, become able to) — the N3 pattern for expressing gradual change in ability, habit, or situation.

HSK 4 | noun / adjective | rationality or being rational and reasonable

HSK 5 | noun | a physical wound or a deep psychological injury

HSK 1 | adjective | cold (temperature or weather)

HSK 4 | verb / noun | to divide and assign resources, tasks, or roles

HSK 3 | noun | neck, the part of the body connecting the head to the shoulders

Mastering Chinese financial register: capital markets, corporate finance, and investment discourse.

HSK 3 | verb/noun | a sensation or the act of feeling

HSK 3 | adjective | slow-witted or physically awkward

HSK 5 | noun / verb | a bank loan; to borrow money from a financial institution

HSK 4 | adjective | having a hopeful, positive outlook

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

HSK 3 | noun | reason, cause — what explains why something happened

HSK 3 | verb | to feel regret about a past action

HSK 3 | verb / adjective | to know well, be familiar with — through repeated exposure or experience

HSK 5 | noun | a software program designed for a specific task or user purpose

HSK 4 | noun | a consumer or customer who purchases goods or services

HSK 5 | conjunction | even if, even though

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

HSK 4 | noun | a medical procedure performed on the body

HSK 3 | conjunction | therefore, as a result — introduces a logical consequence

HSK 5 | noun | one's sense of personal worth and dignity

HSK 5 | verb / noun | to caution or alert; a cautionary sign or message

HSK 3 | adjective | clear, definite, and not vague

HSK 1 | pronoun | interrogative pronoun for location (northern colloquial form)

Engage with Chinese healthcare policy discourse, mastering vocabulary and grammar for discussing public health systems, medical reform, and health guarantees.

HSK 5 | noun | observable occurrence or phenomenon in nature or society

HSK 4 | noun | a method or way of doing something

HSK 2 | adjective / adverb | expressing possibility; works both as 'possible' (adjective) and 'maybe' (adverb)

Beginner Sindarin: goals, learning resources, grammar checkpoints, and vocabulary targets for the first 30–100 hours.

HSK 3 | verb | to move upward or forward by springing off the ground

We are given a binary string that represents a positive integer $x$. Instead of directly printing this binary number, we are forced into a strange process that maintains a single integer variable $n$, starting at zero, and builds the output by repeatedly applying only two…

Master the plain (casual) forms of verbs, adjectives, and the copula to speak naturally with friends and lay the foundation for advanced N4 grammar structures.

HSK 5 | conjunction | not only that; furthermore; what is more

Master the essential language for shopping, asking prices, and using Japanese counters to navigate stores and markets with confidence.

HSK 5 | verb / noun | to express; to perform; performance; behavior

HSK 4 | verb | to transfer data from a device to the internet or a server

N1 grammar pattern 〜とあって: because of the special circumstance of X, the situation/behavior Y naturally follows. Literary and formal register.

山 (mountain): 3 strokes, JLPT N5. On: サン. Kun: やま.

HSK 3 | adverb | indicates that something happens before a specific event or time

HSK 1 | noun/verb | used for minutes in time-telling; also means to divide or a fraction

HSK 3 | verb | to care about, show concern for someone or something

HSK 3 | verb / noun | making a reasoned decision or assessment

HSK 1 | adjective | short (in length or duration)

HSK 3 | verb | to change, become, or transform into a different state

HSK 1 | verb | to eat, to consume food

HSK 1 | noun/time word | the current day; used at the start of a sentence or before the verb

HSK 5 | verb/noun | to express agreement or approval

Master formal Japanese reading strategies for newspapers, editorials, and academic text — grammar patterns, annotation techniques, and N2 reading section strategy.

HSK 3 | adjective | nervous, tense, anxious; also describes a busy or tight situation

HSK 6 | n | a shared understanding or agreement reached among multiple parties

Master the 把 construction to express deliberate actions performed on a specific object, a core pattern in spoken and written Mandarin.

Master the 连...也 and 连...都 constructions to express emphasis and unexpectedness at B1 level.

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

HSK 2 | conjunction | presents alternatives in a question; contrast with 或者 for statements

HSK 4 | verb/noun | a difficult situation that tests one's abilities

HSK 3 | noun | seafood — fish, shellfish, and other sea creatures eaten as food

HSK 5 | noun | experience, practical knowledge gained through doing

We are given an array of integers. The first number in the input is the array size n, and the next n integers are the array elements. The task is simply to output the same elements arranged in non-decreasing order.

HSK 1 | adverb | indicates excess or an extreme degree, often paired with 了

HSK 3 | adverb | indicates a quality exceeds the normal or expected level

Master the fundamental stylistic differences between formal written prose and casual spoken Japanese required for N2 proficiency.

HSK 4 | noun | a prerequisite or stated requirement

Learn 〜がちだ (tend to, be prone to) — the N3 pattern for expressing undesirable tendencies or negative dispositions.

Discuss pressing Chinese and global social challenges using the vocabulary and grammatical structures of policy discourse and social commentary.

HSK 1 | noun | coffee

Master six N3 conditional and temporal patterns: 〜さえ〜ば, 〜うちに, 〜たびに, 〜とたんに, 〜て以来, and 〜次第 — each with contrast to N4 basic conditionals.

調べる (しらべる / shiraberu): to investigate, look up. N4 level Japanese vocabulary.

〜たら: JLPT N4 grammar pattern. Usage, structure, examples, and comparison with similar patterns.

HSK 5 | noun | audience, readership, target demographic

HSK 4 | verb / noun | organizing or scheduling people and tasks

HSK 1 | noun | cooked rice, steamed rice

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

All major Sindarin irregular verbs: anna- (give), car- (do/make), na- (be), tol- (come), men- (go) — with complete paradigms for all tenses.

十 (juu/jit/too): ten. JLPT N5 kanji.

HSK 4 | adjective | of great importance or danger; causing significant harm or concern

HSK 2 | noun | beer, an alcoholic drink made from fermented grain

HSK 5 | adjective | existing within something, inherent and not externally imposed

HSK 4 | verb/noun | to comfort, to console; comfort, consolation

HSK 4 | n | activities or media that provide amusement

HSK 1 | number | the digit one; tone changes depending on the tone of the following syllable