他今天请假了用英语怎么说

"He took a day off today" 或 "He requested a leave of absence today"。

"Take a day off" 和 "request a leave of absence" 都是常用的请假表达。 "Take a day off" 强调的是员工主动请假，而 "request a leave of absence" 强调的是员工向公司请假。

例句：

He took a day off today because he wasn't feeling well.
I need to request a leave of absence next week to take care of my sick mother.

中文翻译：

他今天请假了，因为他身体不舒服。
我需要下周请假照顾我生病的母亲。