Как по Английски будет будь осторожен

idiom

Used to tell someone to enjoy themselves at an event or during an activity, but not to take risks

collocation

Used for telling someone to give attention to what they are doing because there is a risk they could have an accident, make a mistake, or damage something

Примеры использования:

Be careful with the glasses., be careful where you put that hot pan., be careful not to cut yoursel…