adj.不小心的，不仔细的，粗心造成的，疏忽引起的，不担忧的，无忧无虑的，淡漠的

原形：careless比较级：more careless最高级：most careless

Eric is careless of the news.
埃里克对这个消息毫不在乎。
Tom always speaks in a careless way.
汤姆说起话来总是漫不经心。
She was careless with her words and ended up hurting her friend's feelings.
她说话不小心，结果伤害了朋友的感情。
The driver's careless driving led to a serious accident on the highway.
司机的粗心驾驶导致高速公路上发生严重事故。
He left his wallet on the table, showing his usual careless nature.
他把钱包放在桌子上，显露出他一贯的粗心本性。
The student's careless mistake cost them the perfect score on their exam.
学生的粗心错误使他们失去了考试满分的机会。
The cook's careless handling of the knife resulted in a deep cut on his hand.
厨师对刀具的粗心处理导致他的手被深深地割伤。
The careless smoker caused a fire in the apartment building.
粗心的吸烟者引起了公寓楼的火灾。
His careless attitude towards his work led to his dismissal from the company.
他对工作的粗心态度导致他被公司解雇。
The child's careless behavior led to the breaking of several valuable antiques.
孩子的粗心行为导致几件珍贵的古董破损。
The pilot's careless navigation caused the plane to veer off course.
飞行员的粗心导航导致飞机偏离航线。
The careless disposal of chemicals polluted the nearby river.
化学品的粗心处理污染了附近的河流。