使出的英文：
exert; use

参考例句：

She was forced to play her ace.
她被逼使出王牌。

To do one’s bst
使出混身解数

He pushed with all his strength.
他使出浑身劲儿来推。

Who was it that had the dashing presumption to do that?
是谁这样大胆专横，使出这一手呢？

On this occasion he exerted that greatness of courage which has been so much celebrated in other heroes
这时候，他使出古往今来的英雄好汉那种有名的过人胆量。

Lifting the box called for all her strength
提起那箱子需要她使出全身的力气。

Mustering all her strength, Nancy pulled hard on both oars.
南希使出所有力气，用力划动双桨。

They'll do anything to spike the guns of the opposition.
他们会使出各种手段来挫败对手。

He needed all his charm to persuade her that it was not his fault.
他需要使出浑身解数来叫她相信那不是他的错。

But I kept my eye on the ball, swung as hard as I could and hit a home run.
可是，我集中精力，使出所有的劲儿来打球，结果打了一个本垒打。

exert是什么意思：
v. 运用，发挥；施以影响；竭力

To exert an impelling force; push vigorously.
催促成为驱动力；竭力推动。

Poor health is a necessary result of over-exertion.
体弱是过度劳累的必然结果。

The consumer will exert a measure of influence over the market economy.
消费者会对市场经济产生一定程度的影响。

exerted ourselves mightily during the campaign to raise funds.
在募捐运动中让我们行动起来

The repulsive forces exerted by the protons loosen the structure of the nucleus
质子施加的斥力使原子核的结构松弛。

use是什么意思：
v. 用，运用；对待；耗费；服食；利用
n. 使用；用途

It is used as a reflexive.
它被作为反身代词使用。

That was a balk to us.
那对我们是个挫折。

They help us to be maximal encouraging to us.
他们来帮助我们对我们是个极大的鼓舞。

Already used and therefore unavailable for further use.Used of taxonomic names.
已占用的已经使用因而不能再作他用的。用于分类学名称

Why use wood when you can use plastic?
既然能用塑料，何必非用木料？