基本解释casuallyadv.偶然地, 随便地, 临时地例句By chance; casually.偶然地；任意地casually thoughtless or inconsiderate.随便、欠考虑或者草率。

To shoot at casually.随意射击To say casually; remark.评论随便地说；发表意见To talk casually; chat.闲谈；聊天。