我们必须制止这个暴力行为。
wǒmen bìxū zhìzhǐ zhègè bàolì xíngwéi 。
We must put a stop to this violent behavior.
政府采取措施来制止空气污染。
zhèngfǔ cǎiqǔ cuòshī lái zhìzhǐ kōngqì wūrǎn 。
The government has taken measures to curb air pollution.
他试图制止她的哭泣。
tā shìtú zhìzhǐ tāde kūqì 。
He tried to stop her from crying.