tattle on (someone)

Traducciones
ябедничать на (кого-то)
The child was afraid to tattle on his classmates.
Ребенок боялся ябедничать на своих одноклассников.
Definiciones
To inform an authority or someone in charge about another person's wrongdoing or misbehavior, often with the intention of getting them in trouble.
Palabras
tattle

verb
ябедничать