1.badmouth 说坏话
Both men continually bad-mouthed each other.
两个人都在背地里频繁地互相攻击 。
2.mouthpiece n. 喉舌;代言人;送话口
The US media has become the mouthpiece of US foreign policy.
美国媒体已经变成了美国外交政策的喉舌 。
3.withhold vt. 保留,不给;隐瞒;抑制
The boss withheld the payment until they had completed the work.
老板一直扣着工资直到他们把工作干完才发 。