| 词汇 | knack |
| 词根词缀 | 词源： mid-14c., "deception, trick, device," of uncertain origin, probably from a Low Ger. word meaning "a sharp sounding blow" (cf. M.E. knak, late 14c.; Ger. knacken "to crack"), of imitative origin. Sense of "special skill" is first recorded 1580s, if this is in fact the same word. |
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