YOU SAID:

Don't think you can't clean the dojo again with a toothbrush.

INTO JAPANESE

歯ブラシで道場を二度と掃除できないとは思わないでください。

BACK INTO ENGLISH

Don't assume that you can never clean the dojo with a toothbrush.

INTO JAPANESE

歯ブラシで道場を掃除することは絶対にできないと思い込まないでください。

BACK INTO ENGLISH

Don't assume that you can never clean the dojo with a toothbrush.