not turn a hair
US /nɑt tɜrn ə hɛr/
UK /nɒt tɜːn ə hɛə/
成語
面不改色, 不動聲色, 毫不在乎
to show no sign of fear, surprise, or emotion in a difficult or alarming situation
範例:
•
Even when the car skidded, she did not turn a hair.
即使汽車打滑，她也面不改色。
•
He heard the bad news but did not turn a hair.
他聽到了壞消息，但面不改色。