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

People self-confidence when sober, suitable for all righteousness, force can be, the heart to want to pull back, and relatives and friends, wife and children are persuaded to stop, but no.

人当自信自守，凡义所宜为，力所能为，心所欲为，而亲友挽得回，妻孥劝得止，只是无。 。

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