另一个的英文是The other one。
例句:
1、他受了伤,另一个选手取代了他。
He was hurt, and another player replaced him.
2、我生命中有两大支柱:一个是酒,另一个是工作。
I had two props in my life; one was alcohol, the other work.
3、公司搬到了另一个州,我便失业了。
I lost my job when the company moved to another state.
4、我把另一个儿子送到乡下和亲戚住在一起。
I sent my other son to the country to stay with kinfolk.
5、我再给你举另一个例子吧。
I'll give you another example.