careless
['kɛəlis]
adj.粗心的, 疏忽的, 草率的, 无忧无虑的, 漫不经心的
例句与用法：
Careless driving kills!
开车大意危及生命！
The security of the whole operation has been jeopardized by one careless person.
整个作业的安全让一个粗心大意的人给破坏了。
It was most careless of me.
我真是非常粗心。
You're so careless.
你真粗心。
Characterized by careless ease or informality; casual.
漫不经心的以漫不经心或随便态度为特点的; 漠不关心的
The careless waiter dropped the dish onto the ground.
那个粗心的侍者把盘子摔到了地上。
It was careless of you to leave the door unlocked.
你没锁门，太粗心了。
He is careless about his appearance.
他不讲究外表。
词形变化：
副词: carelessly | 名词: carelessness |
详细释义：
a.
1. 粗心的, 疏忽的; 草率的
He made a careless mistake.
他犯了一个粗枝大叶的错误。
2. 随便的; 自然的
He sat into a chair with careless ease.
他随便往椅子里舒舒服服一坐。
3. 漫不经心的; 淡漠的[(+of/about)]
She's careless about her clothes.
她对穿着一点都不讲究。
4. 无忧无虑的
careless days
无忧无虑的日子