Latră, dar nu mușcă

It's said about somebody who seems harsh, and speaks agresively, menacingly, but in fact will not, or can not, act accordingly. inoffensive, harmless.

On dit d'une personne ayant une attitude agressive, menacente, mais qui en fait ne veut ou ne peut faire du mal, actionner conformement a ses menaces; inoffensive.

Persoană care vorbeste despre lucrurile negative pe care e in stare sa le faca, fara insa a actiona conform propriilor declaratii