effort例句

He was making a visible effort to control himself.
他明显是在努力控制自己的情绪。

It is incumbent upon all of us to make an extra effort.
我们所有人都必须加倍努力。

Even carrying the camcorder while hiking in the forest was an effort.
在森林中徒步旅行时,即便带的是便携式摄像机也非常费力。