be careful where

• 注意； 提防； 对 ... 谨慎

be careful where的用法和样例：

例句

1. She always wants to be the focus of attention.
   她老想成为人们注意的中心。
2. Be careful, the onion shouldn't turn brown.
   注意，别把洋葱烧焦。
3. Be on the watch for thieves in this crowd.
   提防人群中有小偷。
4. Be sure to be watchful or alert.
   必须留神，千万要提防。
5. You should be careful when making a promise.
   你应当谨慎做出承诺。
6. But I'm trying to be a little canny about it.
   但是我想对此谨慎一些。