释义
adj.
lacking a plan, purpose, or enthusiasm
无计划的，无目的的；无热情的
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a few people were left, dancing in a desultory fashion .一些人留了下来，随便地跳着舞。
(of conversation or speech)going constantly from one subject to another in a half-hearted way; unfocused:
（谈话，讲话）不断变换话题的；没有中心（或重点）的
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the desultory conversation faded .东扯西拉的谈话慢慢停止了。
occurring randomly or occasionally
偶然发生的；偶然出现的；偶尔出现的
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desultory passengers were appearing .零星的行人开始出现。
词源
"late 16th cent． （also in the literal sense skipping about）： from Latin