YOU SAID:
My head is greasy so I need to wash it.
INTO JAPANESE
私の頭は脂っこいので、私はそれを洗う必要があります。
BACK INTO ENGLISH
My head is greasy so I need to wash it.
INTO JAPANESE
私の頭は脂っこいので、私はそれを洗う必要があります。
BACK INTO ENGLISH
My head is greasy so I need to wash it.
You've done this before, haven't you.