因此，在沉重压力之下，联邦会计标准委员会认可了一只大肥猫的胡说八道。

So, under massive pressure, the FASB allowed a big fat fudge.

为了抵抗周围的水的沉重压力，潜艇它需要一个巨大的舱体，因而它要做得非常重。

Submarines are heavyweights withmassive hulls strong enough to resist crushing forces from the surrounding water.

这段话讲的是，这本小说里的人物背上了家庭背景的沉重压力，束手束脚、固步自封，一直没能解决自己面临的问题。

Those people in the novel are going nowhere fast. They bear burdens of their family history and are never able to solve any of their problems.