also lack-luster, c. 1600, first attested in "As You Like It," from lack + luster. Combinations with lack- were frequent in 16c., such as lackland (1590s), of a landless man; lack-Latin (1530s), of an ignorant priest.
例文
1. He has already been blamed for his party 's lackluster performance during the election campaign.
彼の政党は選挙活動で平坦であることから非難されている。
2.But age alters many things,including men 's money and lackluster love lives.
しかし時間は多くのことを変えることができて、男の手元不如意、愛情が暗くて光がないことを含む。
3.This morning I felt tired and lackluster .
今朝は疲れていて、元気がありません。
4.And returns will be lackluster for the majority of firms left out of the best deals.