bean

bean
noun

an edible seed, typically kidney-shaped, growing in long pods on certain leguminous plants
豆；蚕豆
■the hard seed of coffee, cocoa, and certain other plants
咖啡豆；可可豆
a leguminous plant that bears such seeds in pods
豆科植物
Phaseolus and other genera, family Leguminosae: numerous species, including the runner bean (P. coccineus), French bean (P. vulgaris), and broad bean (Vicia faba)
菜豆属及其他属，豆科：众多种，包括多花菜豆（拉丁名 P． coccineus ）、法国菜豆（拉丁名 P． vulgaris ）和蚕豆（拉丁名 Vicia faba）
(北美亦作 beans)[with negative](informal)a very small amount or nothing at all of something (used emphatically)
(非正式)［用于强调］丝毫，一点
there is not a single bean of substance in the report.
这份报告里没有一点实质性内容。
I didn't know beans about being a step-parent.
我丝毫不知怎么当继父母。
■used in reference to money
（一文）钱
he didn't have a bean.
他身无分文。
(informal, dated)a person's head, especially when regarded as a source of common sense
(非正式，旧)脑袋

verb

[with obj.](informal, chiefly N. Amer.)hit (someone) on the head
(非正式，主北美)击（某人）的头
she picked up a rock and beaned him on the forehead.
她捡起一块石头砸在他额头上。

常用词组
full of beans

a hill (或 row) of beans

[with negative]anything of any importance or value
一点，丝毫；无价值的东西
three little people don't amount to a hill of beans in this crazy world.
在这个疯狂的世界上，三个小人物根本算不上什么。

know how many beans make five

old bean

(Brit. informal, dated)a friendly form of address, typically to a man
(英非正式，旧)［尤用于友好地称呼男子］老伙计

语源

Old English bēan, of Germanic origin; related to Dutch boon and German Bohne

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