a.

1. （两者之中）任一的
   You may go by either road.

   你两条路都可以走。

2. （两者之中）每一方的；每一的
   She studied history and philosophy, but she had little interest in either subject.

   她学过历史和哲学，但对这两门课都没有多少兴趣。

   He had a bag in either hand.

   他两手各拿一只包。

pron.

1. （两者之中）任何一个
   I don't agree with either of you on these issues.

   在这些问题上，你们两个我都不同意。

conj.

1. （通常与or连用）或者
   Either you or your father must see this young man today.

   你或是你的父亲今天必须见这位年轻人。

   She is coming either today or tomorrow.

   她不是今天来就是明天来。

ad.

1. （用在否定句中）也，而且；根本
   If you don't go, I won't either.

   如果你不去，我也不去。

   It won't do them any good, but it won't do them any harm either.

   这对他们没有好处，但也没有坏处。

conj.

adv.

1. used before the first of two (or occasionally more) alternatives specified (the other being introduced by ‘or’).
2. [adv., with neg.] used to indicate a similarity or link with a statement just made.
   ▸moreover.

det.

pron.