YOU SAID:

the people didn't understand my joke because they're lame and i'm cool

INTO JAPANESE

彼らは足が不自由で私はクールだから、人々は私の冗談を理解しなかった

BACK INTO ENGLISH

Because they are lame and I am cool, people did not understand my joke

INTO JAPANESE

彼らは足が不自由で私はクールだから、人々は私の冗談を理解していなかった

BACK INTO ENGLISH

People did not understand my joke because they are lame and I am cool

INTO JAPANESE

人々は私の冗談を理解できませんでした。

BACK INTO ENGLISH

People could not understand my joke.

INTO JAPANESE

人々は私の冗談を理解できませんでした。

BACK INTO ENGLISH

People could not understand my joke.