in the event of

US /ɪn ði ɪˈvent ʌv/
UK /ɪn ði ɪˈvent ʌv/
"in the event of" picture
1.

如果发生, 万一

if a particular thing happens

:
In the event of a fire, use the stairs.
如果发生火灾,请使用楼梯。
You will be notified in the event of any changes.
如果发生任何变化,您将收到通知。