And to discover the intelligence of babies we have to ourselves be pretty smart in developing different techniques.

要想探究婴儿的智力,我们就必须足够聪明,发明出不同的研究技术

耶鲁公开课 - 心理学导论课程节选

I mean, you have to be somewhat to get into this school.

毕竟，你必须聪明好学才能进这所学校。

学习和交际都重要 - SpeakingMax英语口语达人