YOU SAID:
Because he is attacked by King Dedede Meta Knight swings his sword of King Dedede defeat What a triumph is that
INTO JAPANESE
彼はデデデ王に襲われているのでメタナイトはデデデ王の剣を振って敗北させる
BACK INTO ENGLISH
Metanite shakes King Dedede's sword to defeat him as he is attacked by King Dedede
INTO JAPANESE
メタナイトはデデデ王に攻撃されたときにデデデ王の剣を振って倒す
BACK INTO ENGLISH
Metanite swings King Dedede's sword when attacked by King Dedede
INTO JAPANESE
メタナイトはデデデ王に攻撃されるとデデデ王の剣を振る
BACK INTO ENGLISH
Metanite swings King Dedede's sword when attacked by King Dedede
That didn't even make that much sense in English.