Lackluster

['læk,lʌstə]

解释:

(adj.) lacking luster or shine; 'staring with lackluster eyes'; 'lusterless hair' .

(adj.) lacking brilliance or vitality; 'a dull lackluster life'; 'a lusterless performance' .

整理:希欧多尔--From WordNet

解释:

(n.) Alt. of Lacklustre

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