flinch
verb [ I ] uk/flɪntʃ/ us/flɪntʃ/
（因疼痛或恐惧）猛地一颤;畏缩，退缩
to make a sudden, small movement because of pain or fear
He didn't even flinch when the nurse cleaned the wound. 护士清洗伤口的时候，他都一点也没畏缩。
Synonyms: quail wince
Compare: cringe verbshrink verbrecoil verb
Phrasal verb
flinch from something/doing something 逃避（不快或痛苦的事）
to avoid doing something that you consider unpleasant or painful
We must not flinch from difficult decisions. 面对困难的抉择我们绝不能逃避。