τη λέω σε κάποιον → tell off, tell someone off, be in top form, bite someone's head off, give out, give out stink, give out yards, have a go at someone, pick on someone, snap someone's head off, corner someone, you got someone there, you've got someone there

[spiros]

τη λέω σε κάποιον → tell someone off, bite someone's head off, snap someone's head off, be in top form, you got someone there, you've got someone there, you corner someone 

την λέω σε κάποιον

[alikipi]

Το "have a go at someone" μπορεί να θεωρηθεί συνώνυμο;

[spiros]

Είναι πολύ πιο δυνατό («την πέφτω» ίσως):

If you have a go at somebody, it means that you attack them physically...
In general, to have a go at someone ~ to attack someone. It may be verbal or physical, but it indicates an aggressive, hostile approach.
http://forum.thefreedictionary.com/postsm409556_have-a-go-at.aspx

[alikipi]

Βρήκα κι αυτόν τον ορισμό εδώ: http://oald8.oxfordlearnersdictionaries.com/dictionary/go_2#go_2__96.

have a go at somebody => (informal, British English) to criticize somebody or complain about somebody

The boss had a go at me for being late for work. => Το αφεντικό μου την είπε που άργησα;

[crystal]

pick on someone