He saw Mr Malfoy's white hands clench and unclench.

他看见马尔福苍白的双手攥成了拳头，随即又松开了。

Think of it like a fist that you clenched. Okay?

把它想象成你握紧的拳头。

He clenched his fists tightly in his pockets.

他的拳头在口袋里攥得更紧了。

There was a loud crack, and Harry's fist was suddenly clenched on thin air.

只听得一声很响的爆裂声，哈利的拳头里突然一松，里面只剩下了空气。

Right fingers up towards the sky, make sure you're not clenching in the jaw.

右手手指指向天空，确保你没有咬紧牙关。

Ali gripped the dirt tightly and clenched his jaw.

阿里紧紧抓住泥土，咬紧了下巴。

Did you find your hands beginning to clench?

你发现自己的手握紧了吗?

The king clenched his jaw. He said nothing.

国王咬紧下巴。一言不发。

" What is it? " I was surprised to see that his jaw was clenched, his eyes disturbed.

“那是什么？”我惊讶地看到，他的下巴绷紧了，眼里写满了困扰。

Clench them and you hold in the gold.

绷紧它们你就可以憋住。