old
US /oʊld/
UK /oʊld/

1.
2.
3.
老兄, 老弟
used as a friendly form of address to a man or boy
:
•
How are you, old chap?
你怎么样,老兄?
•
Come on, old boy, let's go!
来吧,老兄,我们走!
4.
岁, 历史
having existed for a specified length of time
:
•
The house is 200 years old.
这房子有200年历史了。
•
How old are you?
你多大了?