YOU SAID:
please take care of my milk for 3 hours im going to the store
INTO JAPANESE
私の牛乳を3時間保管してください。
BACK INTO ENGLISH
Keep my milk for 3 hours.
INTO JAPANESE
私の牛乳を3時間保管してください。
BACK INTO ENGLISH
Keep my milk for 3 hours.
You've done this before, haven't you.