while 的五个意思的例句：
He came here to take care of the old while the weather is so bad
He likes sing the pop songs,while his young brother hates all the songs he sings.
While he walked along the road, he met his mother by chance.
He whiled his childhood away but to play cards
Watching the interesting film he whiled the whole day happily
用while引导的`时间状语从句例句5个：
Strike while the iron is hot.趁热打铁.
Please be quiet while i 'm talking to you.（从句中是进行时时态时，一般都用while）
While I was sleeping, the UFO arrived. 当我在睡觉时，UFO到达了。
while从句中必须是表示动作或状态的延续性动词。它强调主句的动作与从句的动作同时发生或主句的动作发生在从句的动作过程中。例子如下：
The weather was fine while we were in Beijing.
She called while I was out.
I was drawing while my brother was reading.
He likes reading a newspaper while he is waiting for the bus.