at the mercy of completely in the power or under the control of 任凭…的摆布, 完全受…的支配： consumers were at the mercy of every rogue in the marketplace. 顾客任凭奸商欺诈。 at the mercy of在……的支配下;任凭……的摆布：These poor sailors of the sunken ship are now at the mercy of the roaring sea.现在，沉船上这些可怜的海员们，听凭怒吼的大海任意地摆布着。 |