draw back

名词 draw back:

1. the quality of being a hindrance
   同义词：drawback

动词 draw back:

1. pull back or move away or backward
   同义词：withdraw, retreat, pull away, recede, pull back, retire, move back
2. use a surgical instrument to hold open (the edges of a wound or an organ)
   同义词：retract, pull back

1. He had promised to help me but at the last moment he drew back.
   他答应帮助我，但到最后一刻打了退堂鼓。
2. At the sight of the snake, he drew back in horror.
   一瞧见那蛇，他便吓得缩了回来。