careless的副词形式是carefully 小心地；

careless：

adj. 粗心的；无忧无虑的；淡漠的

扩展资料

I was known for being careless.

我粗心大意是出了名的。

The girl was kindhearted but careless.

那女孩心地善良，但比较粗心。

Why was Jamila thought a careless girl?

为什么杰米拉会被认为是一个粗心大意的女孩？

Tom is a little careless, but he is otherwise quite suitable for the post.

汤姆有点粗心，但在其他方面他很适合这个职位。