YOU SAID:

I don´t know what an elephant sounds like

INTO JAPANESE

象の鳴き声がわかりません

BACK INTO ENGLISH

I don't understand the elephant's bark

INTO JAPANESE

象の樹皮がわからない

BACK INTO ENGLISH

I don't know the bark of an elephant

INTO JAPANESE

象の樹皮を知りません

BACK INTO ENGLISH

I don't know the bark of an elephant