They paid him under the counter to keep quiet. 误译：他们在柜台下付钱给他，让他保持沉默。 正确：他们暗中给了他一些钱让他保持沉默。 说明：under the counter 的意思是“（指商店卖卖货物）暗中交易；走后门”。Things bought under the counter are bought secretly and illegally.（购买东西）秘密地，暗地里，非法地