★ effort

（2019全国卷I 完形）

The environmental challenges are significant but the efforts made by the Tanzania National Park Authority seem to be paying off.

环境方面的挑战的巨大的，但是坦桑尼亚国家公园的管理部门所做的努力还是值得的。

① 气カ;精力

She puts her time and effort into her businesses, and into helping others.

她把时间和精力投入到生意，投入到帮助别人中。

② 努力;尽力

As we all know, without efforts nothing can be achieved.

众所周知，不努力则一事无成。

What’s the point of helping him if he doesn’t make an effort to help himself?

如果他自己不努力，那么帮他又有什么用呢? 2011江西

Let ‘s start right now and spare no effort to do a little bit every minute.!

让我们现在就开始，每一分钟都不遗余力地做好点滴。

③ 有组织的活动:

the international relief effort国际救济行动

★ effortless adj. 可不需费力的