snitch

US /snɪtʃ/
UK /snɪtʃ/
1.

quỷ quyệt

to secretly tell someone in authority that someone else has done something bad, often in order to cause trouble:

:
She thought I'd snitched on her.
1.

quỷ quyệt

someone who secretly tells someone in authority that someone else has done something bad, often in order to cause trouble:

:
You little snitch!