- maintain [keep up] a bold front; one's face remains untroubled
- 面: face
- 不: a block of wood
- 改: change; transform
- 容: hold; contain
- 面不改色: 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
关注微信公众号:chachacidian,回复:面不改容,即可在微信中查询翻译