He felled his opponent with a single blow.

他一拳击倒了对手。

《牛津词典》

He was knocked out by a single blow to the head.

他头上只被打了一下便昏过去了。

《牛津词典》

If you want to write large amounts of data from a portlet, it is usually a good approach to flush the buffered data partly rather than flushing them completely in a single blow.

如果希望写入大量来自Portlet的数据，通常最好采用对已缓存的数据进行部分刷新的方式，而不采用对全部数据一次性刷新的方式。

youdao

He was killed with a single blow from the wide end - or adze - of the axe.

BBC: NEWS | UK | England | Merseyside | Walker killing: prosecution case

Anglo-Saxon sceptics about Europe's single currency gleefully predict that these strains will blow the euro apart, just as they did the exchange-rate mechanism in the early 1990s.

ECONOMIST: The euro