费劲的英文：
moil

参考例句：

The baby's laborious crawl
婴儿费劲的爬动.

It was a stiff climB to the top of the hill.
爬到山顶上去是很费劲的。

Don't dissipate your efforts
不要白费劲了。

It's quite a scramble to get to the mountaintop.
费劲攀登才能到达山顶。

It was devilish hard work climbing the mountain.
爬那座山太费劲了。

It was a struggle for her to make him understand.
对她来说，要他明白是一件费劲的事。

The sauce is thick and rich so don't bother trying to diet.
这个酱汁又浓又香，别费劲节食了。

I'm having a devil of a job fixing my car.
我修我这辆汽车可费劲了.

My application for a change of department was readily acceded to.
我更换部门工作的请求没费劲就获得了批准。

It's heavy going but they will finish the job eventually.
这件工作虽然很费劲,但他们最终还是会完成它的。

moil是什么意思：
vi. 辛劳工作,忙碌工作,不断动摇
n. 辛苦,劳苦,费劲