lukewarm
adj.
late 14c., from luke + warm, adj.. Figurative sense of "lacking in zeal" (of persons or their actions) is from 1520s. Related: Lukewarmly; lukewarmness.
| 词汇 | lukewarm | 
| 词根词缀 | Online Etymology Dictionary lukewarm adj. late 14c., from luke + warm, adj.. Figurative sense of "lacking in zeal" (of persons or their actions) is from 1520s. Related: Lukewarmly; lukewarmness. | 
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