煮开

zài lú zi shang yòng dà huǒ zhǔ kāi

在炉子上用大火煮开。

Give a boil over a high heat.

bǎ tāng zhǔ kāi rán hòu wén huǒ zhǔ wǔ fēn zhōng

把汤煮开，然后文火煮五分钟。

Bring the soup to the boil, then allow it to simmer for five minutes.