英音 
[waɪl]
 
美音 
[hwaɪl, waɪl]
 
while 基本解释
conj.在…期间；与…同时；虽然；而
n.（一段）时间
vt.消磨，打发（时间）；（愉快而懒散地）度过（时间）（常与 away 连用）

例句：
While aesthetics are important , function is more important .
虽然美观是很重要，但是实用更加重要。

While you were in university ?
当你还在上大学的时候？

While giving shareholders a say on executive salaries .
而给予股东们一个管理人员工资的说法。

While I felt safe , I was also isolated .
尽管感到安全，但我还是觉得孤苦伶仃。

Would we be less likely to steal while chatting to someone ?
我们不太可能一边同人聊天一边偷东西吧？