There was an edge to them, as if the whole thing could collapse on their heads.

但他们总能把握好分寸,好像在担心什么东西,垮下来的话会压死他们似的

耶鲁公开课 - 欧洲文明课程节选

So, I think it's this balance between working very hard and being involved in the greater community, I would say.

所以，一方面要努力学习，一方面要参与大型社会活动，我想，他们需要把握好平衡。

图书馆经常人很多 - SpeakingMax英语口语达人

He is more likely to think like an actuary or a CPA or an insurance agent, always calculating the odds and finding ways to cover the damages.

他们更可能做保险员，注册会计师,或是保险代理人，因为这样的人更容易把握事情胜负的几率,以及时有效地找到补救之法。

耶鲁公开课 - 政治哲学导论课程节选