词典释义：
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。
(〈北 美〉 亦作
〈非 正式〉 ［用于强调］丝毫，一点
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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
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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
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he didn't have a bean .他身无分文。[ORIGIN: from early 19th-cent. slang denoting a sovereign or guinea.]
〈非正式，旧〉 脑袋。
〈非正式，主北美〉 击（某人）的头
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she picked up a rock and beaned him on the forehead .她捡起一块石头砸在他额头上。
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full of beans informal lively； in high spirits 〈非 正式〉 精力充沛的；兴高采烈的 -
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 Brit ．informal be intelligent； have one's wits about one 〈英， 非正式〉 聪明，不会上当 -
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
"Old English
