1.badmouth 說壞話
Both men continually bad-mouthed each other.
兩個人都在背地里頻繁地互相攻擊 。
2.mouthpiece n. 喉舌;代言人;送話口
The US media has become the mouthpiece of US foreign policy.
美國媒體已經變成了美國外交政策的喉舌 。
3.withhold vt. 保留,不給;隱瞞;抑制
The boss withheld the payment until they had completed the work.
老板一直扣著工資直到他們把工作干完才發 。