you win some, you lose some
US /ju wɪn sʌm, ju luːz sʌm/
UK /ju wɪn sʌm, ju luːz sʌm/

1.
on gagne parfois, on perd parfois, c'est la vie
used to say that it is normal to experience both success and failure in life, and one should accept both
:
•
I didn't get the promotion, but you win some, you lose some.
Je n'ai pas eu la promotion, mais on gagne parfois, on perd parfois.
•
After a long career, he understood that you win some, you lose some.
Après une longue carrière, il a compris qu'on gagne parfois, on perd parfois.