bad-mouth

vi.

苛刻批评；

过去式：bad-mouthed过去分词：bad-mouthed现在分词：bad-mouthing第三人称单数：bad-mouths

1. Calumny, even from the mouth of a fool, will sometimes cut into unguarded feelings.
   即使出自一个傻瓜之口的诽谤，有时候也会突然刺伤一个没有防备的人的感情。
2. Disordered nerves and bad digestion are a common cause of backbiting.
   神经过敏和理解力差是诽谤的常见原因。
3. He was trying to tear down Mr Li's good name by saying some bad words behind him.
   他企图用在背后说坏话的方式毁坏李先生的好名声。

Bad mouth :
Bad mouth
Bad Mouth
Do satisfied customers bad-mouth innovative products? †
Bad-Mouth Innovative Products ?
Don't Bad-Mouth Your Competition
Consumers' Negative Electronic Word of Mouth: Non-complainers, Bad-mouthers, Dissatisfied complainers, and Satisfied complainers
A SVM-based Method of Victim Representation Extraction from Bad-mouth Comments in Social Media
Don't bad-mouth my sweet, tranquil cows
Don't Hesitate to Fire 'Bad-Mouthers'