She resigned because of ill health.

她因健康状况不佳而辞职。

Ill health forced him into early retirement.

他由于健康不佳不得不提前退休。

I can remember very few occasions when he had to cancel because of ill health.

我记得他因为健康不佳而被迫取消的情况绝无仅有。

There may be a price to pay for such relentless activity, perhaps ill health or even divorce.

这样没完没了的活动可能是要付出代价的，也许是不良健康状况甚至是离婚。

When stress gets out of control, it can lead to poor performance and ill health.

压力过大，失去控制时，可能表现会变差，健康也会出问题。