| 单词 | frivolous | 
| 释义 | friv·o·lous   (frĭvə-ləs) adj. 1.  Unworthy of serious attention; trivial: a frivolous novel. 2.  Inappropriately silly: a frivolous purchase. [Middle English, probably from Latin frīvolus, of little value, probably from friāre, to crumble.] frivo·lous·ly adv. frivo·lous·ness n. | 
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