Cách sử dụng
The word 'watchful' means being very aware and paying close attention to what is happening around you. You can use 'watchful' when you are trying to describe a person who is careful and cautious about their surroundings, especially when it comes to danger or potential problems. For example, "She was watchful of the people around her in the crowded marketplace," means she was being careful and aware of her surroundings so she would not get into any trouble.