It was a very safe boat, but difficult to control. It turned every way except the one I wanted to go!

这只船非常安全，但极难控制，它就是不朝我要去的方向前进！

youdao

Many patients initially showed only forced on forced thinking, irrational thinking, but difficult to control, forced movements will gradually derived.

很多强迫患者最初仅表现为思维上的强迫，但当无理思维难以控制，强迫动作便渐渐衍生。

youdao

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。

youdao

But he was also extremely large and difficult to control.

VOA: special.2009.02.23

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

The question is not so much how we control what happens to us but what do we do when we were faced difficult circumstances, and how we can make spiritual meaning even when difficult things happen to us.

问题不是我们能够掌控多少,而是当我们面对困境,能做些什么，我们怎样体现灵性的意义,即便我们面临困境。

普林斯顿公开课 - 人性课程节选

Professor Chapman said the web had made information accessible to millions around the world, but it was very difficult to institute a system of quality of control.

BBC: Web 'bias' against vaccination

As far as targeting parents goes, it is all very well to try to target the parents of young children to try to get them to do things in different ways, but it is very difficult satisfactorily to punish parents who won't keep control of their children.

BBC: Crime: Politicians quizzed

Derbyshire Fire and Rescue said it had been a difficult fire to put out completely but it is under control.

BBC: Crews still at Stanton-by-Dale recycling plant fire