| 词汇 | 面不改色 |
| 释义 | 面不改色面不改色[miàn bù gǎi sè]1.■keep a straight face; did not change colour; One's countenance betrays nothing.; remain calm; without batting an eyelid; without changing countenance; without turning a hair; keep one's countenance; not turn a hair; not bat an eyelid |
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