n.[C]

1. 豆；（可食用的）豆实
2. 产豆形种子的植物
3. （幼嫩可食的）豆荚
4. （可作食物或饮料的）豆
5. 【口】（通常用于否定句）一文钱
   It is not worth a bean.

   它一点价值都没有。

6. 【美】【口】毫无价值的东西[P]
   That ring is beans compared with the crown jewels.

   与皇冠上的宝石相比那枚戒指根本不值什么钱。

vt.

1. 【美】【口】（尤指用抛投物）击……的头部

n.

1. an edible kidney-shaped seed growing in long pods on certain leguminous plants.
2. a leguminous plant bearing beans in pods. [Phaseolus and other genera: numerous species.]
3. the hard seed of coffee, cocoa, and certain other plants.
4. (N. Amer. also beans) [with neg.] informal a very small amount or nothing at all.
5. informal, dated a person's head.

v.