How to Memorize

keep an eye on him/her/them

Analysis

To 'keep an eye on someone' or something means to keep it under observation or to stay informed about the person's behaviour or activities. Usually, this phrase has an element of suspicion or concern for the person's wellbeing. You will often hear parents they have to 'keep an eye on their children'. In the workplace, someone might ask you to 'keep an eye on someone' in order to monitor their progress. To 'keep your eye on' something has a similar meaning -  to be attentive and aware of it: "I have my eye on the competitor."  It can also mean to admire something or to wish to possess it. "I have my eye on the blue bicycle, I might buy it at the end of the month."  To have your eye on something also means to monitor it closely. "I always keep an eye on spending. I don't want it to get out of hand," "Keep your eye on the clock. You don't want the dinner to burn."

Social Examples (Basic)

1. Keep an eye on him. He looks suspicious, said the security guard to his colleague.
2. The doctor told the man to keep an eye on his wife when she woke up from the operation.
3. My teacher said she'd have her eye on me all the time, so I couldn't do anything!

Professional Examples (Basic)

1. If we all keep an eye on each other we are less likely to make mistakes.
2. I have my eye on Semacorp. I think they might sell soon.

Further Suggestions