to furnish incriminating evidence to an officer of the law (usually in return for favors)
a speech act that conveys information
- Non-resident students who wish to lunch in should inform the Bursar before ten o'clock.
- Please inform us what special offer you can make us based on a quantity of500 tons.
- He sent yet another telegram informing the journalist that if he did not reply soon he would be fired.
- By informing on the gang, he was signing his own death-warrant.
- ratting 动词rat的现在进行式...