YOU SAID:

singing in rounds is stupid

INTO JAPANESE

ラウンドで歌うのはばかげている

BACK INTO ENGLISH

It is absurd to sing in round

INTO JAPANESE

ラウンドで歌うことが不合理です

BACK INTO ENGLISH

Singing in round is irrational

INTO JAPANESE

ラウンドで歌うのは不合理です

BACK INTO ENGLISH

It is unreasonable to sing in a round

INTO JAPANESE

ラウンドで歌うのは無理です

BACK INTO ENGLISH

It is impossible to sing in rounds

INTO JAPANESE

ラウンドで歌うことは不可能です

BACK INTO ENGLISH

It is impossible to sing in round

INTO JAPANESE

ラウンドで歌うことは不可能です

BACK INTO ENGLISH

It is impossible to sing in round