A surfeit of food makes one sick.

饮食过量使人生病。

I went to see my ailing mother.

我去看望生病的母亲。

Unhappiness is the root cause of his illness.

不开心是他生病的根源。

I felt feeble when I was ill.

我生病的时候感到。

He will relieve a sick teacher tomorrow.

他明天要为生病的老师代课。

Sickness is a legitimate reason for asking for leave.

生病是请假的正当的由。

I deputised for the manager when she was ill.

经生病时由我代她执行职务。

He's good at caring for sick animals.

他精心照料生病的牲畜。

It is sometimes necessary to indulge a sick child.

迁生病的小孩有时是必要的。

All food was repugnant to me during my illness.

生病时所有的食物都使我感到厌恶。

Uncle Dick is very good at caring for sick animals.

狄克大叔照管生病的动物,在行。

She had spots on her face when she was ill.

当她生病的时候，她脸上有斑点。

He didn't attend that meeting under the pretext of sickness.

他以生病为借口, 没参加那会议。

When the President is ill, his duties devolve on the Vice-President.

总统生病时, 其职责由副总统代。

His activities have been severely circumscribed since his illness.

自生病以来他的行动直受到严格的限制。

I learned the news about her mother's illness firsthand from Lena.

我直接从丽娜那里了解到她母亲生病的消息。

As Jack is ill, we have to get a replacement for him.

杰克生病了, 我们必须找人代替他。

I heard she had fallen ill.

我听说她生病了。

He is frail after his illness.

他生病后。

He's much thinner nowadays than he used to be; I think he's been ill.

最近他比以前瘦多了, 我想他直在生病。