YOU SAID:
i need a vacuum to comb the hair out of my dog
INTO JAPANESE
犬の毛をとかすために掃除機が必要です
BACK INTO ENGLISH
I need a vacuum cleaner to comb my dog's hair
INTO JAPANESE
犬の毛をとかすのに掃除機が必要です
BACK INTO ENGLISH
I need a vacuum cleaner to comb my dog's hair
Well done, yes, well done!