flinch/flɪntʃ/
vi.退缩；畏缩to flinch at pain因怕痛而畏缩
Jones didn't flinch once when the nurse cleaned the cut in his leg.护士为琼斯清洗腿上的伤口时，他毫不畏缩。
The guests were frightened to flinch when the dog was barking at them in front of the fence door.狗在篱笆门前向着客人们狂吠，他们吓得向后缩去。