the treatment of a serious matter with humour or in a manner lacking due respect
(指对待严肃事情时表现出来的)轻松逗趣的态度;不敬;轻浮;不庄重
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as an attempt to introduce a note of levity, the words were a disastrous flop .本想把话说得轻松诙谐点儿,没想到结果会这么糟。
"mid 16th cent.: from Latin