He was the first generation to go to college, grew up in the farms, and as such, he was very skilled with machining.

他是家里面第一个大学生，出生在农场，他很精通机械。

麻省理工公开课 - 固态化学导论课程节选

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