in a relaxed and informal way. "she was just casually strolling through the mall"
adverb [方式副词] 随意地，漫不经心地；临时地；偶然地
He was casually dressed in jeans and a T-shirt. 他穿着很随便的牛仔裤和T恤衫。
He was casually dressed in jeans and a T-shirt. 他穿着很随便的牛仔裤和T恤衫。
