The body has pent up energy that needs to be used.

身体会把需要被消耗掉的能量禁锢起来。

Have a pent up demand for smart phones: Just 11% use them at work?

对智能手机需求不大：只有11%的人在工作中使用。

Because we tend to avoid things that make us feel bad, pent up guilt about a task will make us avoid that task in the future.

因为我们倾向于回避让我们感觉糟糕的事情，对某项任务充满内疚会让我们在未来回避该任务。

Some men keep their emotions so pent up that they eventually burst in an unhealthy fit of anger or alienate their partners or friends.

一些男性把情绪闷在心里，以致于最后会一股脑儿爆发出来(这很不健康)，或是疏远自己的伴侣或朋友。

She explains to Comus what would happen should she actually choose to break her silence, should she actually choose to unleash all of the rhetorical powers that she has pent up inside of her.

她向科玛斯解释，一旦她打破沉默将会发生些什么，一旦她真正选择揭开那些，禁锢在她内心许久的浮夸的力量。