1、sit up

坐起来;坐直

Her head spins dizzily as soon as she sits up.

她一坐起身来就感到天旋地转。

深夜未睡;熬夜

We sat up drinking and talking.

我们饮酒谈天，直至深夜。

I didn't feel like sitting up all night.

我不想熬通宵。

突然关注;警觉

A defeat like that makes you sit up and think.

那样的一次失败会令你警觉起来，开始思考。

2、suppose

假定;假设;设想

Suppose someone gave you an egg and asked you to describe exactly what was inside.

假设有人给了你一枚鸡蛋并要你准确描述鸡蛋里面有什么。

Supposing he's right and I do die tomorrow? Maybe I should take out an extra insurance policy.

假设他是对的，我确实明天就会死，那该怎么办？也许我应该再买一份保险。

(根据所知)认为，推断，料想

The policy is perfectly clear and I see no reason to suppose that it isn't working.

这项政策非常清楚明了，我没有理由认为它不会奏效。

I knew very well that the problem was more complex than he supposed.

我很清楚那个问题比他料想的要更复杂。

我看;要我说;我想

I get a bit uptight these days. Hormones, I suppose.

这些天我有点焦躁。我看是荷尔蒙在作怪。

I suppose I'd better do some homework.

我看我最好做做功课。