careful
基本字义
adj.仔细的，小心的
双语例句
1.Careful, it'll break!
小心，它会碎的！
2.Careful, you'll break it!
小心，你会弄坏它的！
3.Be careful it's slippery.
小心路滑。
2careless
基本字义
adj.粗心的；疏忽的；草率的；无忧无虑的；漫不经心的
双语例句
1.Careless scribes corrupted the text.
马虎的抄写员把这篇文章抄走样了。
2.She was bending over the bowl, careless of her hair.
她俯身在碗上，没顾及自己的头发。
3.I had been careless and let him wander off on his own.
我不小心让他自己走失了。