名詞 wince:

1. the facial expression of sudden pain
2. a reflex response to sudden pain
   同義詞：flinch

動詞 wince:

1. draw back, as with fear or pain
   同義詞：flinch, squinch, funk, cringe, shrink, recoil, quail
2. make a face indicating disgust or dislike

1. I still wince at the memory of the stupid thing I did.
   我一想起自己做過的蠢事就不由得搖頭嘆氣。
2. He winced as she stood on his injured foot.
   她踩著他受傷的腳，他疼得縮了回去。
3. He winced mentally at the terrible news.
   聽到這個噩耗，他不由的心里一楞。

wince

v.intr.（不及物動詞）
winced,winc.ing,winc.es
To shrink or start involuntarily, as in pain or distress; flinch.
畏縮，退縮：因疼痛或悲傷不自覺地退縮或驚起；畏縮
n.（名詞）
A shrinking or startled movement or gesture.
退縮，驚起：退縮或驚起的動作或手勢

來源：
Middle English wincen [to kick]
中古英語 wincen [踢]
from Old North French *wencier [variant of Old French] guencir
源自 古法國北方方言 *wencier [] guencir的古法語變體
[of Germanic origin]
[來源于日爾曼語]

【引伸】
winc.er
n.（名詞）