单词	non-frivolous
释义	请查阅词条：non-frivolous
随便看	thesaurus/sickly thesaurus/side-by-side thesaurus/sidestep thesaurus/significant thesaurus/silent thesaurus/silly thesaurus/similar thesaurus/simmer-down thesaurus/simple thesaurus/sincere thesaurus/sinful thesaurus/singe thesaurus/single thesaurus/single-handed thesaurus/single-handedly thesaurus/single-minded thesaurus/single-mindedness thesaurus/sinless thesaurus/sip thesaurus/sister thesaurus/sister-in-law thesaurus/sit thesaurus/sit-around thesaurus/sitting-around-on-your-backside thesaurus/sizable