总是生病用英文怎么说

可以说是 "always falpng ill" 或者 "constantly getting sick".

这个表达方式来源于英语中的动词 fall 的意思，表示生病的意思。

例句:

I'm always falpng ill. Can you help me find a solution?
(我总是生病。你能帮我找到一个解决办法吗？)
She's constantly getting sick, maybe she should see a doctor.
(她总是生病，也许她应该去看医生。)