Correct

告密

/ gàomì /
Strokes

Definition

to inform against sb

Example

As a Verb

inform (against/on sb); tell on; betray; grass on; sneak on; snitch on; report sb/sth to the authorities; rat on

1
Yóu
由于
pàn
叛徒
gào
告密
  
,
bèi
被捕
bìng
zāo
shāhài
杀害
  

She was arrested and murdered because a renegade informed against her.

2
Yóu
由于
péngyou
朋友
gào
告密
  
,
ge
那个
wu
特务
bèi
dài
逮捕
le
  

The spy was arrested because one of his friends turned on him.