It was awfully hard for Heidi to stop crying when she had once begun, for she cried so seldom.

小海蒂很少哭，但一旦她开始哭，就很难从悲伤中恢复过来。

youdao

The UN will have to work hard to stop history from repeating itself.

联合国必须努力工作以阻止历史重演。

《柯林斯英汉双解大词典》

If he doesn't stop working so hard, he'll burn himself out.

他要是继续这样拼命工作，就会把自己累垮。

《牛津词典》

Mr. Reid, knowing he'd be hard-pressed to stop another vote, deputized Michigan Democrat Debbie Stabenow (who needs some re-election help) to steal Mr. Johanns's bill.

WSJ: ObamaCare's Repeal Has Begun

And in 1997, soon after arriving in Bosnia, NATO troops took swift action to seize transmitters and stop broadcasts by hard-line Serbs opposed to the Dayton peace deal.

ECONOMIST: Silencing murderous messages is not as easy as it sounds

This oil-swapping system is hard to stop.

ECONOMIST: America is using the dollar to hurt Iran. Will it work?