请qǐng阻zǔ止zhǐ他tā离lí开kāi。

Please stop him from leaving.

我wǒ们men必bì须xū阻zǔ止zhǐ这zhè件jiàn事shì。

We must prevent this from happening.

没méi人rén能néng阻zǔ止zhǐ他tā。

No one can stop him.

我wǒ们men必bì须xū阻zǔ止zhǐ他tā。

We must stop him.

没méi有yǒu什shén么me能néng阻zǔ止zhǐ她tā学xué习xí。

Nothing can stop her from studying.