由于健康不佳，他只得退休。
他由于健康不佳不得不提前退休。
由于健康不佳，他不能参加会议。
这位医生由于健康不佳已经处于半退休状态了。
The physician has gone into semiretirement because of ill health.
他的目的是将即将来临的大选包装成一场他和小泽之间的个人对决(后者由于健康状况不佳，精力不如从前)。
His aim was to paint the election, when it came, as a contest between himself and Mr Ozawa, whose robustness has been undermined by poor health.
据了解，他们退休是由于年纪大或健康不佳。
They are understood to have retired through age or ill health.
据我所知，他辞职的原因是由于健康状况不佳。（用作表语）
So far as I know, his resignation is on account of failing health.
由于健康状况不佳，整个冬天他都会呆在南方。
Owing to ill health, he will remain in the south all winter.
我认为他脾气不好是由于他的健康状况不佳。
由于健康情况不佳，他决定离职退休。
由于健康情况不佳，他决定离职退休。
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