你必须阻止他，约翰。

You've got to stop her, John.

youdao

你必须阻止他吸烟。

You must stop him from smoking.

youdao

你必须在他获得对这个圣石的完全控制之前阻止他。

You must stop him before he gains full control of the sacred stone.

youdao

你要阻止他，必须得有点运气。

You have to be very lucky to stop him.

youdao

你要阻止他，必须得有点运气。

You have to be very lucky to stop him.

youdao