YOU SAID:

here's the most untranslatable sentence in the world, let me prove it

INTO JAPANESE

これが世界で最も翻訳不可能な文だ、証明させてくれ

BACK INTO ENGLISH

This is the most untranslatable sentence in the world, let me prove it

INTO JAPANESE

これは世界で最も翻訳不可能な文です、証明させてください

BACK INTO ENGLISH

This is the most untranslatable sentence in the world, let me prove it