YOU SAID:
I challenge you to a dual.
INTO JAPANESE
私はデュアルに挑戦します。
BACK INTO ENGLISH
I try to dual.
INTO JAPANESE
デュアルをしようとします。
BACK INTO ENGLISH
Try dual.
INTO JAPANESE
デュアルしてみてください。
BACK INTO ENGLISH
Try dual.
Come on, you can do better than that.