勤能补拙 vs 青出于蓝: Tone and Context Difference

How to decide

1. Keep 勤能补拙 when the sentence points to diligence can make up for lack of natural talent. Its tone is positive and practical, and the safest first test is whether the context resembles personal growth, language learning, balanced advice.
2. Prefer 青出于蓝 when the sentence points to the student surpasses the teacher. Its tone is admiring and generous, and the strongest clue usually looks closer to teacher and student, successor generation, creative work.
3. The comparison becomes clear here: both appear in effort and learning situations. The difference is not the Chinese topic label but the job each phrase performs in a sentence.
4. A practical translation check is hard work makes up for lack of talent for 勤能补拙 and the student surpasses the teacher for 青出于蓝, then check whether the surrounding sentence needs praise, warning, correction, or neutral description.

Wrong choice checks

• 勤能补拙: Do not use it to dismiss structural obstacles or real constraints.
• 青出于蓝: Do not use it for any young person who is simply successful; the relation to a source or teacher must be visible.
• Do not stop at the picture in the characters. Ask what action, attitude, or result the sentence is pointing to.
• Do not make the choice only from the English gloss. The Chinese phrase may carry praise, warning, correction, or criticism.

Where this comparison comes from

• Both phrases have full dictionary entries with examples, source notes, and usage boundaries.
• The comparison uses entry-level source references instead of adding new historical claims on the compare page.
• The page exists because learners often need to reject a near phrase, not only recognize a single chengyu.

• 勤能补拙: CC-CEDICT dictionary cross-check via MDBG
  Used to cross-check the modern headword, pinyin, and broad dictionary sense for 勤能补拙; this is not treated as the story source.
• 勤能补拙: Wiktionary open lexical reference
  Used as an open lexical reference for English readers checking the headword and common translation range for 勤能补拙; usage decisions still come from examples on this page.
• 勤能补拙: Chinese Text Project dictionary locator
  Used as a classical-text locator and Chinese reference cross-check for 勤能补拙; the entry still rewrites the learner explanation in this site's own order.
• 青出于蓝: Xunzi Encouraging Learning image tradition
  Use this as the broad Xunzi locator for the indigo dye learning image; the entry keeps inheritance and surpassing visible together.
• 青出于蓝: CC-CEDICT dictionary cross-check via MDBG
  Used to cross-check the modern headword, pinyin, and broad dictionary sense for 青出于蓝; this is not treated as the story source.
• 青出于蓝: Wiktionary open lexical reference
  Used as an open lexical reference for English readers checking the headword and common translation range for 青出于蓝; usage decisions still come from examples on this page.
• 青出于蓝: Chinese Text Project dictionary locator
  Used as a classical-text locator and Chinese reference cross-check for 青出于蓝; the entry still rewrites the learner explanation in this site's own order.

Visual memory: The board keeps both phrases visible at once so the learner decides by tone, context, and mistake boundary.