flinch
单词辨析：
指因不喜欢或害怕某物而突然向后退，常用于 recoil from sb/sth 或recoil at sth 结构中。
She recoiled in horror at the sight of a snake.
她一看见蛇就吓得往后缩。
Why did he recoil from her touch?
为什么她一碰他，他便往后缩？
We shouldn't recoil in the face of difficulty.
遇到困难我们不应该畏缩不前。
She recoiled in horror when she saw the state he was in.
看到他那个样子，她吓得直往后缩。
指因害怕而蜷缩，常后接介词 against/under。
The little boy would cower under the table when there was lightning.
一有闪电，这个小男孩就蜷缩到桌子底下。
His father cowered against the wall.
他父亲蜷缩在墙根儿。
His dog was cowering in a corner.
他的狗蜷缩在角落里。
指由于疼痛、害怕或烦恼而退缩或躲开，常用于 flinch at sth 或 flinch away from sb/sth 结构中。
Separated from his mother for such a long time, the boy flinched away from her when she tried to give him a hug.
由于分开了太长时间，当妈妈想拥抱他时，小男孩退缩着躲开了。
He flinched at the sight of the dog.
他一见到那条狗就往后退。
尤指因恐惧而退缩，通常后接副词 away/back。
The thief shrank back against the wall when he heard the police approaching.
听到警察朝这边走过来，小偷退到墙根儿。
The king's anger made his ministers shrink away from him.
国王大发脾气，大臣们纷纷退避。
She shrank away from his touch.
她往后一缩避开了他的触摸。
相关例句：
Flinch she puts her hand on his arm and he flinches away.
她把手放到他的肩头，但他退缩着躲开了。
He didn't flinch from calling the police.
他没有因为叫警察而退缩。
He did not flinch when they called him names.
他们骂他时，他没有退缩。
Most of us have the natural reaction to flinch when someone tries to hit us in the face or on our body.
当有人试图击我们的脸或者身体的时候，大多数像我们这样的人总是产生退缩的自然反应。
Murat had looked into the eyes of the firing squad without flinching
穆拉特毫不退缩地直视着执行枪决的行刑队员们的眼睛。
I didn't even flinch.
我根本没打算退缩。