我们费了九牛二虎之力才使他们同意。

We had no end of trouble getting them to agree.

《牛津词典》

我费了九牛二虎之力才找到你。

I've had a devil of a job finding you.

《牛津词典》

那饭虽说是粗茶淡饭，却到九点钟才端上来。

The food, such as it was, was served at nine o'clock.

《牛津词典》

Type II Diabetes used to be called Adult Onset Diabetes, but it's had to be renamed to type II Diabetes because kids as young as ten, and nine, and eight are developing it.

型糖尿病过去曾叫做成年始发性糖尿病,但它不得不更名为Ⅱ型糖尿病,因为有的才十岁,九岁,甚至八岁的儿童得这种病

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

This is Mozart at age nine.

那时莫扎特才九岁。

耶鲁公开课 - 聆听音乐课程节选