whilst

US /waɪlst/
UK /waɪlst/
"whilst" picture
1.

在...的时候, 当...时

at the same time as something else is happening; while

:
She was singing whilst she worked.
她一边工作一边唱歌。
He reads a book whilst waiting for the bus.
等公交车的时候看书。
2.

而, 然而

in contrast or comparison to the fact that; whereas

:
Some people prefer coffee, whilst others prefer tea.
有些人喜欢咖啡,另一些人喜欢茶。
He is very tall, whilst his brother is quite short.
他很高,他的兄弟却很矮。