锅里一直在冒泡，说明水已经开了。

Guō lǐ yìzhí zài màopào, shuōmíng shuǐ yǐjīng kāi le.

The pot keeps bubbling, which means the water is already boiling.

你这样做太危险了，没必要冒这个险。

Nǐ zhèyàng zuò tài wēixiǎn le, méi bìyào mào zhè gè xiǎn.

What you’re doing is too dangerous; there’s no need to take this risk.

为了省时间，他冒着雨去上班。

Wèile shěng shíjiān, tā màozhe yǔ qù shàngbān.

To save time, he went to work in the rain.