突破英语口语练习：“夜猫子”的英文怎么说？

虽然大家嘴上都念叨着害怕秃头，但这年头熬夜的小伙伴还是越来越多了。
中文里，我们一般会称熬夜的人为“夜猫子”。那么，英文中有没有表达也是这个意思呢？下面一起来学一学几个“熬夜”相关的英语表达吧～
 
a night person 夜猫子
“夜猫子”是指经常熬夜的人，所以用英语就可以表示成a night person。
例句：
We all know that Bob is a night person.
我们都知道，鲍勃是个夜猫子。
 
- Are you always staying up late?
-你经常熬夜吗?
- No, I'm not a night person.
-不，我可不是个夜猫子。
 
“夜猫子”还可以说成night owl。
例句：
My brother is a real night owl.
我哥哥是个标准的夜猫子。
 
have dark circles under one's eyes 有黑眼圈
黑眼圈多半出现在眼睛下方，所以“有黑眼圈”就可以说成have dark circles under one's eyes。
例句：
John is so tired that he has dark circles under his eyes.
约翰太累了，都有黑眼圈了。
 
- Don't stay up late. You have already had dark circles under your eyes.
-别再熬夜了，你都有黑眼圈了。
- But I have to finish this report before Friday.
-但是我得在周五之前完成这份报告。
 
“黑眼圈”表达中的circles还可以换成rings，即have dark rings under one's eyes。
 
bloodshot （眼睛）布满血丝
例句：
Tom was so tired that his eyes were bloodshot.
汤姆太累了，眼睛布满了血丝。
 
- Did you stay up all night? Your eyes are bloodshot.
-你昨天熬夜了吗?你的眼睛布满了血丝。
- Yes. I was busy finishing a report.
-是啊，我忙着完成一份报告。