adj.粗心的；疏忽的；草率的；無憂無慮的；漫不經(jīng)心的

It was careless of you to leave the door unlocked. 你沒鎖門，太粗心了。

The accident was due to his careless driving. 事故起因于他駕駛疏忽。

Don't be careless about your work. 對工作不可草率。

The sun was shining, and he felt light-hearted and careless. 陽光燦燦，他覺得輕松愉快，無憂無慮。

He always speaks in a careless way. 他說起話來總是漫不經(jīng)心。

careless的基本意思指人時是“粗心的”“草率的”,指事物時表示“不用心的”。引申可指“隨便的”“自然的”,在句中可用作定語或表語。

careless與of連用時表示“不關(guān)心的”“淡漠的”,其后多接具體名詞。在句中多用作表語。

careless表示“做某事不細心”時接“in+ v -ing”; 表示“不小心做錯了某事”時接動詞不定式。

n.粗心

adv.粗心大意地；疏忽地