adj.粗心的；无忧无虑的；漫不经心的，不介意的；淡漠的 双语释义：adj.(形容词)粗心的,草率的 not taking enough care; inattentive[P]随便的,不介意的 done without care不关心的,淡漠的 free from care or worry; unconcerned英英释义： careless[ 'kεəlis ]adj.marked by lack of attention or consideration or forethought or tho