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

It was a tragic--It was crushed by the weights of the electrodes.

是个悲剧,被电极的重量给压死了

耶鲁公开课 - 心理学导论课程节选