to abuse somebody behind his bock
to stab someone in the back
to stab someone in the back
- nói xấu sau lưng: backbittenbackbitebackbit
- sự nói xấu sau lưng: a stab in the back
- nói xấu ai: to blacken someone's characterto fling mud at somebodyto put a slur upon someoneto speak evil of someoneto throw stones at somebody