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adj (1) 暗淡的，陰暗的，不清楚的 (not bright or clear)：a～colour/grey colour/glow 暗淡的顏色/暗灰色/暗淡的光;The sea is a～grey. 海水是暗灰色。a～sky/day/morning 陰沉的天空/日子/早晨;～weather 陰沉的天氣;It's～today. 今天天陰。 The day was～but dry. 天陰，但沒下雨。 hear a～thud/knocking sound 聽見沉悶的撞擊聲/低沉的敲打聲;be～of hearing 有點聾;〖反〗bright， clear;

(2) 遲鈍的，愚笨的 (slow in thinking and understanding; stupid)：a～child/student 遲鈍的孩子/學(xué)生;a～mind/answer 愚笨的頭腦/回答;～of comprehension 理解力差;Their son is very～. 他們的兒子頭腦遲鈍?！纪絪low， stupid;〖反〗clever， bright， intelligent;

(3) 鈍的 (not sharp)：a～knife/pencil/point/chisel 鈍刀/鉛筆/頭/鑿子;the～edge of a knife 鈍的刀刃;〖反〗sharp;

(4) 枯燥乏味的 (not interesting or exciting; boring)：～work 枯燥乏味的工作;a～book/story/play/speech/party/conference/performer 枯燥乏味的書/故事/劇/講話/聚會/會議/表演者;find the country/the town/the hospital routine/the work～發(fā)現(xiàn)農(nóng)村/鎮(zhèn)上/醫(yī)院常規(guī)/工作單調(diào)乏味;It will be～here without you. 你不在這里會沒意思的。〖同〗 boring， uninteresting， unexciting;〖反〗 interesting， exciting;

(5) 輕微的，隱隱的 ((of pain) not sharply or clearly felt)：a～ache/pain in one's side 肋部輕微的疼痛; stare at sb in～discomfort 有點不安地凝視某人;

(6)不興隆的，蕭條的 ((of trade， business， etc) not busy or active)：Business/Trading is～. 生意/交易蕭條。The trade centre had a very～day/period. 交易中心這一天/這個時期買賣很是蕭條。a～period 蕭條期;〖同〗slow， inactive;〖反〗active， lively， spirited;

→′dully adv 暗淡(陰暗)地;遲鈍地;枯燥地;′dullness n 暗淡;遲鈍;枯燥;′dullard n 頭腦遲鈍的人;

v (使)變鈍(變遲鈍，減輕) ((cause to) become less bright， sharp， strong or aware) [I， T+n]：His mind～ed. 他的腦子遲鈍了?！玜 knife/the edge of a razor/one's wits/one's senses 使刀子/刮臉刀的刃/智力/知覺變(遲)鈍;～one's appetite 使胃口變差;take an aspirin/drugs to～the ache (the pain) 服阿斯匹林/藥以減輕疼痛;eyes and ears～ed by age 因年歲大而耳聾眼花;(time)～the edge of sb's grief (時間)使悲傷減輕