look out
US /lʊk aʊt/
UK /lʊk aʊt/

1.
to be careful or vigilant
:
•
Look out! There's a car coming!
•
You need to look out for pickpockets in crowded areas.
2.
to consider someone's interests or well-being
:
•
It's important to look out for your friends.
•
Don't worry, I'll look out for you.