care, 关心。-less, 否定词缀。

1. The affixes " un - " and " - less " are often used make negative words, such as unhappy or careless.

词缀un - 和 -less 常用来构成否定词, 如unhappy和careless.

2. They could not afford to spoil those maps by careless colouring.

若是上色的时候不小心弄坏了那些地图，他们可承担不起。

3. That shows a fairly careless attitude to clothes, doesn't it?

那表明此人不讲究穿着，是吧？

4. Mr Clarke had pleaded guilty to causing death by careless driving.

克拉克先生疏忽驾驶，致人死亡，已经认罪。

5. I'm sorry. How careless of me.

对不起，我太不小心了。