He's very sick. He needs medication.

他病得很重，需要药物治疗。

《柯林斯英汉双解大词典》

The patient is holding her own although she is still very sick.

病人的病情仍然很重，但她还在支持着。

《牛津词典》

You are very, very sick!

你病得很重，很严重！

youdao

"She is very sick and weak," said Sue, "and the disease has left her mind full of strange ideas."

VOA: special.2009.08.01

Now I could probably make some of you very sick to your stomach by having you close your eyes and imagine eating a cockroach, and if I really walked through what you'd be experiencing if you did that, you'd be very upset.

如果我让你们闭眼睛想象吃蟑螂,可能会让你们感到恶心,如果我详细给你们讲解一遍,吃蟑螂的过程,你们会被恶心到的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

If they become infected, especially after the first three months of pregnancy, they can get very sick or even die.

VOA: special.2009.08.05

Mr. Tsarnaev said he returned to Dagestan a year ago because he is very sick.

WSJ: A Father Keeps Faith in His Sons, Accused of Boston Marathon Bombing

But several worried about a potential hazard for a medicine widely used in very sick patients.

FORBES: J&J's Vioxx-Like Bind

Every day, tens of thousands of people take them willingly because they are very sick or dying.

NEWYORKER: The Climate Fixers