九牛二虎之力的英文：
[Literal Meaning]
nine/bull/two/tiger/aux./strength
the strength of nine bulls and two tigers

[解释]
形容做成一件事需要花费很大的力气。

[Explanation]
tremendous effort

[例子]
费了九牛二虎之力，他才把车从雪坑里弄了出来。

[Example]
It took him tremendous effort to get his car out of that snow pit.

To spend a tremendous amount of labor or money
费尽九牛二虎之力

It was not without infinite labour that I felled this tree.
我费了九牛二虎之力才砍倒这棵树。

We had the dickens of a job finding the place.
我们费了九牛二虎之力才找到这地方.

"We've been doing our damnedest to relieve Chu Yin-chiu of his cocoons
“我们用了九牛二虎之力，想把朱吟秋的茧子挤出来

Hamilton effected the adoption of the Constitution only with the greatest effort.
哈密尔敦用尽九牛二虎之力才使宪法被采用。

Two hours of intensive effort had failed to get the big jet moved
人们费了九牛二虎之力，花了两个小时，仍然无法使这架大型喷气客机动弹一下。

And also, by considerable effort, he had succeeded in securing Cowperwood, Sr., a place as a clerk in a bank.
他又费九牛二虎之力为老柯帕乌在一家银行里找了一个职员的位置。