There may be circumstances under which it's the case but it's often difficult to control.

可能在某些环境下可以做到,但是通常情况下很难控制。

麻省理工公开课 - 热力学与动力学课程节选

We respnded aggressively, very aggressively on a lot of different occasions, and it was the kind of crisis that is just hard to keep control of. Ultimately we did.

我们的应对措施很强势，非常强势,在很多情况下都是如此，这次危机是,很难控制的，但最终我们做到了。

普林斯顿公开课 - 国际座谈会课程节选

The opportunity of people to control that is going down and down,and down; and the opportunity for parents to control it is being eroded day, after day, after day.

而人需要控制这种情况的机会,正在日益减少,而家长要控制自己孩子不受影响的概率,也日益降低

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选