1.numb adj. 麻木的,失去知觉的

例句：
The shock left me numb.
我惊呆了。

2.arguable adj. 可辩论的,可论证的

例句：
It is arguable that we would be just as efficient with fewer staff.
我们的职员少一些也能发挥同样效率, 这是言之成理的.

3.depressed adj. 沮丧的,降低的

例句：
She got depressed and began to let things slide.
她情绪低落, 一切都听之任之.

4.circumstance n. 环境,状况,事件

例句：
He was forced by the circumstances to do this.
他做此事是为环境所迫。

5.precarious adj. 不确定的,危险的

例句：
What a precarious situation we were in when the avalanche started!
雪崩发生的时候我们的处境多么危险啊！

6.crutch n. 拐杖,支柱,帮助

例句：
When he broke his leg he had to walk on crutches.
他摔断腿后，只好拄着拐杖走路。

7.gingerly adv. 极度小心谨慎地

例句：
He tasted the coffee gingerly before drinking it.
他在喝咖啡以前先小心地尝一尝。