keep an eye on

• 仔细地观察、照看或留意某人或某物，通常是为了确保安全或防止问题发生。

To watch, monitor, or look after someone or something carefully, often to ensure safety or prevent problems.

1. Watch or monitorB1informal

   To watch someone or something carefully, often to protect or supervise.

   照看

   • Can you keep an eye on my bag while I go to the restroom?
   • She kept an eye on the children playing in the park.
   • The security guard kept an eye on the entrance all night.

2. Monitor a situationB1informal

   To pay attention to a situation or process to ensure it goes smoothly.

   留意

   • We need to keep an eye on the weather forecast for the trip.
   • The manager kept an eye on the project's progress.
   • Keep an eye on the oven so the cake doesn't burn.