YOU SAID:

I am never going to fly as high as a duck un the sky because a duck can fly high in the sky

INTO JAPANESE

アヒルは空高く飛ぶことができるので、空をアヒルほど高く飛ぶことは決してありません

BACK INTO ENGLISH

Ducks can fly high, so they'll never fly as high in the sky as a duck

INTO JAPANESE

アヒルは高く飛ぶことができるので、アヒルほど高く空を飛ぶことはありません。

BACK INTO ENGLISH

Ducks can fly high, so they don't fly as high in the sky as ducks.

INTO JAPANESE

アヒルは高く飛ぶことができるので、アヒルほど空を高く飛ぶことはありません。

BACK INTO ENGLISH

Ducks can fly high, so they don't fly as high in the sky as ducks.