careless的副词形式是：

carefully 小心地；

carelessly 粗心地；不注意地；无忧无虑地；

careless

adj. 粗心的；无忧无虑的；淡漠的

扩展资料

It's your own fault for being careless.

你粗心大意是你自己的过失。

It was careless of me to leave the door open.

怪我粗心忘了关门。

It only takes one careless driver to cause an accident.

只要有一个粗心大意的驾驶员便会发生车祸。

Careless drivers hazard other people's lives as well as their own.

粗心大意的驾驶者拿他人和自己的生命冒险。