We were at the mercy of the weather.

我们受制于天气。

《牛津词典》

I'm not going to put myself at the mercy of the bank.

我不想任由银行摆布。

《牛津词典》

Ordinary people are at the mercy of faceless bureaucrats.

普通人任由千人一面的官僚们摆布。

《柯林斯英汉双解大词典》

And,in terms of Scotland's standing on the world stage, I am not ashamed in any sense of leading a government, which is prepared to put mercy at the heart of its legal system,"

VOA: standard.2009.08.21

And also the profession is very much at the mercy of the market place

而且这个行业在很大程度上受制于市场因素。

建筑学专业教授 - SpeakingMax英语口语达人

It was unsettling being in an unfamiliar place, with unfamiliar weather, at the mercy of strangers.

BBC: Piecing together puzzles in Cambodia

It lives at the mercy of DirecTV and, uh oh, it?s about to die.

ENGADGET: blogger-avatar

It is stressful because you are completely at the mercy of airports, airlines, and weather.

FORBES: The Modern Business Traveler: Top 5 Things That Will Keep Your Travel on Track