keep a careful watch on

• 密切注意； 关注

keep a careful watch on的用法和样例：

例句

1. Keep a close watch on the enemy rs movements.
   密切注意敌人的动向。
2. We must take a hard look at our finances.
   我们应该密切注意财务问题。
3. Authorities are keeping a close eye on levees.
   官方正在密切关注防洪堤的状况。
4. Attention is to watch, observe, listen,learn.
   关注是看，是观察，是倾听和学习。