Sometimes run, run very grieved, and his legs just rest, then nasty breath, you must pay attention to the time running, don't be too long, or it'll be too tired.

有时快跑，跑得两腿发酸，才休息，那时急喘气，大家一定注意跑步的时间，可不要太长了，不然就会很累的。

youdao

Then he caught a nasty virus - and the world he knew came crashing down around him.

后来，他染上了一种讨厌的病毒，他熟悉的世界在他的身边崩溃了。

youdao

Hiring a PR firm can be well worth the expense, but even then a nasty faux pas can occur.

雇佣一所公共关系事务所物有所值，然而即使这样做了，也有可能出现严重的失言。

youdao

Then the nasty letters from a collection agency started coming.

FORBES: Hired Guns

She then reviewed the nasty fight over health care in the election and the history of employer involvement in health care benefits.

FORBES: Sequestration Or Cut Waste In Health Care? Which Would You Choose?

Then came the nasty shock of the Liberal Democrat victory in the Brent East by-election in which the Conservative candidate came a poor third.

ECONOMIST: Bagehot