YOU SAID:

If you had a lesson all about numbers in a single thumb, it will be dumb.

INTO JAPANESE

親指一本で数字についての授業を受けたら、それは愚かなことになるでしょう。

BACK INTO ENGLISH

If you were to take a lesson in numbers with just one thumb, it would be silly.

INTO JAPANESE

親指 1 本だけで数字のレッスンを受けるのは愚かなことです。

BACK INTO ENGLISH

It would be foolish to have a lesson in numbers with only one thumb.

INTO JAPANESE

親指一本だけで数字の授業を受けるのは愚かなことだ。

BACK INTO ENGLISH

It would be foolish to take a math class with only one thumb.

INTO JAPANESE

親指を1本だけ使って数学の授業を受けるのは愚かなことだ。

BACK INTO ENGLISH

It's foolish to take a math class using only one thumb.

INTO JAPANESE

片方の親指だけを使って数学の授業を受けるのは愚かなことだ。

BACK INTO ENGLISH

It's foolish to take a math class using only one thumb.