YOU SAID:

knock your opponent's outside the stage

INTO JAPANESE

相手をステージの外にノックする

BACK INTO ENGLISH

Knock the opponent outside the stage

INTO JAPANESE

ステージ外の相手をノックアウトする

BACK INTO ENGLISH

Knock out the opponent outside the stage

INTO JAPANESE

ステージ外の相手をノックアウトする

BACK INTO ENGLISH

Knock out the opponent outside the stage