他突然病倒了。

He has suddenly fallen ill.

youdao

他昨晚突然病倒了。

He suddenly fell ill last night.

youdao

他突然发烧病倒了。

He was pulled down by a sudden fever.

youdao

他突然间病倒了，只好去看医生。

He became ill overnight and had to see the doctor.

youdao

他突然间病倒了，只好去看医生。

He became ill overnight and had to see the doctor.

youdao