It was a hard pull to get up the hill.

爬上山顶是漫长而费力的事。

youdao

Can't keep the hard pull is superfluous.

留不住的再拼命拉扯都是多余的。

youdao

With another hard pull he got the bell out.

再次用力一拉，他得到了铃。

youdao

That is,this kind of pull-yourself-up-by-your-bootstraps, that with enough determination and hard work that you can transcend limitations of money or class or gender.

VOA: special.2010.03.08

It's a little bit easier to pull the ball hard then it is to hit the ball to the opposite field. Yes?

从另一侧击球的话,更容易打出大力球,你还有什么想法

耶鲁公开课 - 博弈论课程节选

Now, to some extent, similarity is hard to pull apart from proximity.

某种程度上，相似性和邻近性是很难区分的。

耶鲁公开课 - 心理学导论课程节选

Asset disposals, one obvious way of raising cash, are extremely hard to pull off at the moment.

ECONOMIST: Corporate lending

It was both faithful and unique, which is hard to pull off with such a classic superhero look.

FORBES: New Spider-Man Film Costume Revealed

But this is hard to pull off in weak states teeming with peasants in search of somewhere to plant their crops.

ECONOMIST: A special report on forests