bring it on!
US /brɪŋ ɪt ɑn/
UK /brɪŋ ɪt ɑn/

1.
かかってこい, 何でも来い
used to express confidence and a challenge to an opponent or a difficult situation
:
•
You think you can beat me? Bring it on!
私に勝てると思ってるの?かかってこい!
•
Another challenge? Bring it on! I'm ready for anything.
また挑戦?かかってこい!何でも来い。