look out for number one

US /lʊk aʊt fɔr ˈnʌm.bər wʌn/
UK /lʊk aʊt fɔr ˈnʌm.bər wʌn/
"look out for number one" picture
1.

cuidar de si mesmo, pensar em si próprio

to always put your own needs and interests before those of other people

:
In this competitive industry, you really have to look out for number one.
Nesta indústria competitiva, você realmente tem que cuidar de si mesmo.
She's always been someone who looks out for number one, even at the expense of others.
Ela sempre foi alguém que cuidava de si mesma, mesmo à custa dos outros.