对这些学生来说，成问题的是发音。

With these students it's pronunciation that's the problem.

这不成问题，因为几乎所有的拖延者都有相当高超的自我欺骗术。

This is not a problem, because virtually all procrastinators have excellent self-deceptive skills also.

最近，卡梅伦已结束了物理治疗，现在虽然还有点微瘸，但奔跑和玩耍都不成问题。

Cameron has recently finished her physiotherapy and can now run and play, with a slight limp.