look out for (somebody or something) = be ready to notice (somebody or something)
examples:
- Look out for pickpockets at the train station. They might steal you and you won 't even know it.
- When you cross the road, look out for motorbikes. They often speed suddenly.
- Look out for suspicious behaviour in the bank. If you see anything suspicious, call security.
- Parents should look out for strange behaviour by their teenage children.
- Parents should look out for eating disorders in their children.
- When you start a new relationship, there are many things you should look out for. First of all, you should look out for the way this person treats you and other people.
- It is not always easy to identify the signs that a person is using drugs. First, check if the person is lying and look out for missing money.
- Here is a useful guide: what to look out for when you buy a new car.
- There are many things you should look out for when you buy a new house.
- We are always looking out for bargains at the supermarket.
