I've been feeling ill since last week, so I am sorry that I can't go to your party.

我从上周开始就感觉不适，所以很抱歉我不能参加你的聚会。

youdao

Today at 7am I woke up feeling ill, but decided I needed the money, so I went in to work.

今天早上7点，我起床的时候感觉很糟，但我需要钱，所以我还是坚持工作。

youdao

Some of these expectations may encourage drinking, while the expectation of feeling ill from drinking can be protective.

各种预期里有些可能鼓励喝酒，但是饮酒带来不良感受的预期是具有保护性的。

youdao

And the son says he has no ill feeling toward Russians.

VOA: standard.2010.05.07

Obuchi told doctors that he had awakened in the night feeling ill and tired.

CNN: Taking Over

He was so fit that he could spend up to ten hours in the water without feeling ill effects.

ECONOMIST: Joseph Wolfson

"In 1996 whilst serving in the Royal Navy on operations in Sarajevo, I began feeling ill and my symptoms included rapid weight loss, " he said.

BBC: Cancer 'ambassadors' Senedd lobby