YOU SAID:

i don't know how this thing works

INTO JAPANESE

これがどのように機能するのかわかりません

BACK INTO ENGLISH

I don't understand how this works

INTO JAPANESE

これがどのように機能するのか理解できません

BACK INTO ENGLISH

I can't understand how this works

INTO JAPANESE

これがどのように機能するのか理解できません

BACK INTO ENGLISH

I can't understand how this works