have a care

• vi. 注意(留神；慎重)

have a care的用法和样例：

例句

1. Have a care! That's my best china you're knocking about.
   当心！你在碰撞的是我最好的瓷器。
2. He didn't have a care in the world.
   他简直没有什麽烦恼。
3. Have a care what you say or you may regret it.
   当心你说的话，否则你可能会后悔的。