inform on sb:检举；揭发；告发某人
造句
1.
They tries to force Jane to inform on her father.
他们试图让詹妮揭发她的父亲

2.
War causes people to inform on one another — it's the corrupting influence of war.
让人们相互告发的罪魁祸首是战争——战争对人有腐蚀www.souquanme.com性的影//www.souquanme.com响。

3.
During the Culture Revolution, people were not only encouraged but also forced to inform on each other.
在文革的时候，人们不但被鼓励，而且被强迫互相告发搜趣网

you muDCORZst inform everyone 搜趣网in the company of the news as soon as you can.
你必须尽快通知公司的每一个人这个消息。

He informed against the thief.(他告发了那个小偷)
I informed his mother of his safe arrival. （我通知他妈妈他已平安抵达）