YOU SAID:

Mount Everest is the highest mountain in the world, not tallest, highest

INTO JAPANESE

エベレスト山は世界で最も高い山で、最も高く、高くない

BACK INTO ENGLISH

Mount Everest is the highest mountain in the world, the highest and not the highest

INTO JAPANESE

エベレスト山は世界最高峰で、最高で最高ではない

BACK INTO ENGLISH

Mount Everest is the highest peak in the world, not the best and the best

INTO JAPANESE

エベレスト山は世界最高のピークであり、最高の最高の山ではありません

BACK INTO ENGLISH

Mount Everest is the best peak in the world and not the best of the best

INTO JAPANESE

エベレスト山は世界で最高のピークであり、最高の最高ではありません

BACK INTO ENGLISH

Mount Everest is the best peak in the world and not the best of the best