While用法:
一、while作名詞用,表示“一會(huì)兒”“一段時(shí)間”。
She likes to lie down for a while after lunch. 她喜歡午飯后躺一會(huì)兒。
二、While作連詞
1、引導(dǎo)時(shí)間狀語(yǔ)。
We must strike while the iron is hot.趁熱打鐵。
2、引起讓步狀語(yǔ)從句,意思是“雖然…但是….”、“盡管…但是…”(多放于句首)
While he loves his students,he is very strict with them.雖然他愛(ài)他的學(xué)生,可是他對(duì)他們很?chē)?yán)格。
3、引起條件狀語(yǔ),意思是“只要”。
While there is life there is hope.只要生命存在,就有希望。