He would be fine for quite a while, but would then fall suddenly ill and have to be admitted to the hospital.

他有时会好一阵子，但是其后又会突然生病，必须去医院治疗。

youdao

He would be fine for quite a while, but would then fall suddenly ill and have to be admitted to the hospital.

他有时会好一阵子，但是其后又会突然生病，必须去医院治疗。

youdao