核心詞義
adj. 鈍的；遲鈍的；直率的
v. 使遲鈍；變鈍
速記技巧
諧音聯(lián)想法
拆
諧音：不爛的
記
剁不爛的，說明你的刀不行，很鈍的。引申為遲鈍、直率的。
詞源詞根法
【詞源解釋】可能來自古挪威語blundra（閉上眼睛）=【同源詞】blind（盲目的）；blunder（犯愚蠢錯誤）=【助記竅門】blunt→blind（盲目的）→不尖→鈍的、粗（魯）的。或blunt→諧音“不爛的”→（刀）切不爛肉的→鈍的
知識擴展
詞語辨析
honest frank direct open outspoken straight blunt These words all describe people saying exactly what they mean without trying to hide feelings, opinions or facts. 以上各詞均形容人坦率、坦誠。 honest not hiding the truth about sth 指坦率的、坦誠的： Thank you for being so honest with me. 感謝你對我這么坦誠。 frank honest in what you say, sometimes in a way that other people might not like 指坦率的、直率的（有時可能不討人喜歡）： To be frank with you, I think your son has little chance of passing the exam. 坦白說，我認(rèn)為你的兒子不大可能通過考試。 direct saying exactly what you mean in a way that nobody can pretend not to understand 指直接的、直率的、坦率的： You'll have to get used to his direct manner. 你得慢慢習(xí)慣他這種直率的方式。 注釋 Being direct is sometimes considered positive but sometimes it is used as a ‘polite’ way of saying that sb is rude. direct有時被認(rèn)為含褒義，但有時是以禮貌的方式表示某人有些粗魯。 open ( approving ) (of a person) not keeping thoughts and feelings hidden 指為人誠懇的、坦誠的、直率的： He was quite open about his reasons for leaving. 他對離開的原因完全未加隱瞞。 outspoken saying exactly what you think, even if this shocks or offends people 指直率的、坦誠的、直言不諱的： She was outspoken in her criticism of the plan. 她對該計劃的批評直言不諱。 straight honest and direct 指坦誠的、直率的： I don't think you're being straight with me. 我覺得你沒跟我坦誠相見。 blunt saying exactly what you think without trying to be polite 指嘴直的、直言不諱的： She has a reputation for blunt speaking. 她說話出了名的直截了當(dāng)。 詞語辨析 Honest and frank refer to what you say as much as how you say it. honest和frank既指說話方式，也指說話內(nèi)容： an honest/a frank admission of guilt 坦承有錯 They are generally positive words, although it is possible to be too frank in a way that other people might not like. 兩詞基本上含褒義，盡管有可能過分直率而不討人喜歡。 Direct , outspoken and blunt all describe sb's manner of saying what they think. Outspoken suggests that you are willin
精選例句
高考
1、 The edge is as blunt as an old butter knife.
刃鈍得跟一把老黃油刀一樣。
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