I became ill.

我病倒了。

youdao

One week after my contact with these patients, I became ill.

一个星期后我与这些病人接触，我却病倒了。

youdao

After I became ill, I embarked upon many things I had been putting off before.

我患病以来，我开始去做我以前搁置下来的事情。

youdao

I didn't have the flu at the time but I became violently ill.

我那会并没得流感，但却病的很重。

耶鲁公开课 - 心理学导论课程节选

Before then I became ill almost overnight and dropped to eight stone in a matter of three months.

BBC: Coeliac still tortured by eclairs

When I first became ill I was not only put into an iron lung, I was also given a tracheostomy (hole in my throat).

CNN: 'I lived in an iron lung for seven years'

When I became a proper vegetarian I started to get quite ill and tired.

BBC: The rise of the non-veggie vegetarian