You shouldn't tell on other guys.

你不应该告发别人。

youdao

Liesl: Are you going to tell on me?

丽：你要告发我吗？

youdao

Promise not to tell on me!

答应我，别告发我！

youdao

Never mind, I won't tell on you.

别担心，我不会告发你。

youdao

Never mind, I won't tell on you.

别担心，我不会告发你。

youdao