当您想要用英语问候一个生病的朋友或亲人时，这里有一些常用的问候语：

一般病情问候

"How are you feeling today？"

"I hope you're feeling better soon."

"Wishing you a speedy recovery."

具体症状问候

"I'm sorry to hear you're not feeling well. Please let me know if there's anything I can do to help."

"Did your surgery go well？"

鼓励性问候

"Hope you're feeling much better today."

"Your surgery was successful, right？"

关心饮食和恢复

"Please eat more. It will help you recover more quickly."

其他问候方式

"Take care of yourself."

"Get well soon."

记得根据对方的实际情况选择合适的问候语，并尽可能提供实际的帮助。