1. 打量;估计(情况)：sit up 迟睡,熬夜;坐正 | size up 打量;估计(情况) | sketch out 草拟;概略地叙述

2. 打量：sixth sense 第六感 | size up 打量 | sleep in this morning 睡个懒觉

3. 估计, 揣度：show off 炫耀 | size up 估计, 揣度 | skirt n. 边缘(地带)

1. 打量;估计;判断;评估
If you size up a person or situation, you carefully look at the person or think about the situation, so that you can decide how to act.

e.g. Some US manufacturers have been sizing up the UK as a possible market for their clothes...
一些美国生产商一直在观察英国是否会成为他们的成衣潜在市场。
e.g. He spent the evening sizing me up intellectually.
他整晚都在若有所思地打量我。

verb

1. to look at critically or searchingly, or in minute detail

e.g. he scrutinized his likeness in the mirror

Synonym: take stockscrutinizescrutinise