twitch

vt.

1. 使抽动；使痉挛
   The horse can twitch its ears.

   马会抽动耳朵。

2. 猛拉，急扯；猛夺
   She twitched the curtain into place.

   她把窗帘猛地拉上。

vi.

1. 抽动，抽搐，痉挛
   Ralph felt his lips twitch.

   拉尔夫感到他的嘴唇在抽搐。

2. 猛拉，急扯[（+at）]
   The girl twitched nervously at her collar.

   女孩紧张不安地扯扯衣领。

3. 抽痛，阵痛