费力

I tried to chuff her up in vain.

想让她高兴起来,但是白费力。

We clambered up the hillside to the ridge above.

沿着山坡费力地爬上了山脊。

In this job you need both brains and brawn.

做这份工作既劳神又费力。

Bringing up a handicapped child can be a long and hard road.

养大一个残疾儿童是件十分费时费力的事情。

Trying to sell overcoats in midsummer is a real mug's game.

大夏天推销大衣, 真是白费力。

They occupied the city without striking a blow.

他毫费力地占领了这个城市。

He was pushing a handtruck with difficulty.

他费力地推着手推车。

This exhausting work is enough to run everyone down.

这项费力的工作足以使精疲力竭。

Keep your nose to the grindstone and you should pass the exam easily.

刻苦学习， 你就能费力地通过考试。

I was pleasantly warm flogging up to the bottom of the crag.

费力地爬到峭壁下，感觉暖洋洋的。

They won the game without striking a blow.

他毫费力地赢得了比赛。

Nobody was keen to take on such a thankless task.

没有愿意承担这种费力讨好的任务。

I shouldered my way to the bar.

费力地挤到吧台。

I clambered out of the trench.

费力地爬出壕沟。

Traditional method of manual compiling BOM is toilful, time-consuming, complex and easy to make a mistake.

传统的手工编制BOM的法仅费力、费时、繁琐,而且容易出错。

She is tracing laboriously now.

她正在费力地写。

I trudged up the stairs.

费力地上了楼梯。

He tossed off a sonnet.

他毫费力地就作了一首十四行诗。

Lisa ran her forefinger along the seam of her duffel bag, its microfield sealing up behind as if she had touched it with a magic wand.

丽莎的食指在帆布包的开口上缓缓划过。微场密封条仿佛在魔棒的指挥下随着手指上下滑动。她费力的提起了背包，嘴里轻轻的哼了一声。

Weighing filtration membrane is often used to get the dust concentration of environment.However,this method is discommodious and can not get the instantaneous transformation of dust concentration.

环境粉尘浓度的测定一般使用滤膜称重法测得,该法费时费力,且能得到瞬时粉尘浓度的变化。