careless

It was careless of him to leave the door unlocked..他忘了锁门，真是粗心大意。

a careless mistake.粗心造成的错误

careless driving.粗心驾驶

Careless talk can be disastrous for a business..谈话不慎有时会给企业带来灾难性的损失。

careless of不顾；不关心；不在乎；不感兴趣；无忧无虑

careless driving不小心驾驶；粗心驾车

careless mistake粗心错误，疏忽

careless about对…粗心

真题例句...a very careless driver employed by the company Lummis was involved in another accident...第一套CET42013.12听力题

真题例句...He is careless about his appearance...CET42011.6听力题

真题例句...She is a bit careless and lazy about her school work...CET42009.6听力题