Quirrell smiled. His face wasn't twitching at all.

奇洛笑了。现在他的脸一点也不抽搐了。

We become insomniac or impotent. An eyelid starts twitching.

我们会失眠或是虚弱无力。我们的一个眼皮会开始跳得不停。

A muscle was twitching in Dudley's jaw.

达力牙关上的肌肉在抽动。

It can't just be some twitching of nerves in the middle of their bodies.

不可能仅仅是因为身体某一处神经的抽搐。

His face was still ghostly white, and his hands and his toothbrush mustache were both twitching.

他的脸仍然惨白得可怕，双手和牙刷状的小胡子都在抽搐。

" A brave boy, " Clegane said, mouth twitching.

" 勇敢的小子，" 克里冈努努嘴。

Hagrid looked sideways at Harry, his beard twitching.

海格瞟了哈利一眼，胡子抖动着。

" Oh no! " said Ron, his lip twitching.

“哦，不! ”罗恩说，嘴唇颤动起来。

Twitching, we also see this in our ants.

蚂蚁也会抽搐。

It's constantly twitching back and forth.

不停地前后抖动。