We believe that a force of about one hundred pounds was needed to pull the string all the way back on a long bow.

我们认为，拉动长弓上的弓弦大约需要100磅的力。

youdao

He was authorized to pull back and told that a relief force was on the way.

最高统帅部给予了他撤退的许可，并且告诉他一支生力军将赶来支援。

youdao

Whenever the market gets closer to this line of demarcation, it is not unusual to see the bears come out in force, and the market then tends to pull back.

每当市场越来越近这一分界线，这种情况并不少见看到熊大举出动，市场便趋于回落。

youdao

Fortier says that might force Democratic congressional leaders to pull back a bit on their reform plans when they come back to work next month.

VOA: standard.2009.08.12

The news that Chad will pull its troops from Mali could force France to push back its own timeframe for withdrawing its troops from its former West African colony and creates greater urgency for a U.N. military mission to Mali.

NPR: Chad's Leader: Troops To Leave Mali Guerrilla War

The policy there is massive intervention to force-feed credit markets and then a selective pull-back (as lately was with housing in some markets) lest the pump be primed too well.

FORBES: Macroeconomic test, U.S. v China