flinch

1. V-I If you flinch, you make a small sudden movement, especially when something surprises you or hurts you. 畏縮[usu neg]

Leo stared back at him without flinching. 利奧毫不畏縮地廻瞪著他。

2. V-I If you flinch from something unpleasant, you are unwilling to do it or think about it, or you avoid doing it. 退縮

The world community should not flinch in the face of this challenge. 該國際團躰不應該在這一挑戰麪前退縮。

3. N the act or an instance of drawing back 退縮