You could look at what it does but babies are not very coordinated or skilled so you need to use clever methods.

你可以观察婴儿,但婴儿不怎么配合,或者说他们的言语技能并不熟练,所以你必须要用精巧的方法才能做到

耶鲁公开课 - 心理学导论课程节选

Harry is a little bit of a bad boy, not really as clever, maybe.

哈里是一个有点坏的男孩，可能并不是很聪明。

皇室的绯闻 - SpeakingMax英语口语达人

I'm not going to be thinking I'm clever, and can pick winners and losers, I'm just betting on the market as a whole.

我觉得我不聪明不知道，那只股好哪只股差，我就看市场行情整体是好是坏。

麻省理工公开课 - 计算机科学及编程导论课程节选

Now, what they did was--they were clever psychologists so they set it up in a study where the people did not know sexual orientation was at issue.

他们都是聪明的心理学家,他们设计了一个实验,实验对象并不知道研究的是同性恋问题。

耶鲁公开课 - 心理学导论课程节选

I then assign thankful true, if so, but notice this little trick: -- I'm going to keep doing this while I am bang thankful -- bang exclamation point means "not," so this is shorthand, sort of clever elegant notation for "while I'm not thankful, keep doing this."

然后我给thankful赋true值，如果是这样，注意这里有个小技巧：,我将一直这样做，当我用满意时-,感叹号在这里的意思是“非“，这是一个可速记的，有几分机灵优雅的符号,用来说明：“当我不满意，保持这样做“

哈佛公开课 - 计算机科学课程节选