记忆方法
将“lackluster”拆分为“lack”和“luster”。想象一个物体或事物缺乏光泽（lack luster），就像它的表面不再闪耀，显得暗淡无光。这样的形象可以帮助记忆这个单词表示无光泽、缺乏光彩的意思。
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中文词源
lackluster 单调的
lack,缺乏，luster,光泽。引申词义单调的。
英语词源
- lackluster (adj.)
- 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.
权威例句
- 1. He has already been blamed for his party's lackluster performance during the election campaign.
- 他的政党在竞选活动中表现平平，他因此已受到指责。
- 2. But age alters many things, including men's money and lackluster love lives.
- 但是时间可以改变很多事情, 包括男人手头拮据,爱情暗淡无光.
- 3. This morning I felt tired and lackluster.
- 今天早上觉得很累,而且没有精神.
- 4. And returns will be lackluster for the majority of firms left out of the best deals.
- 当大多数这样的公司都被排除在理想的投资目标外后,你又能期待怎样的预期呢.
- 5. They hoped to remedy their lackluster performance by a few changes in personnel.
- 他们希望更换一些演员能使他们的表演精彩些.