YOU SAID:
An eight-year-old troublemaker must protect his house from a pair of burglars when he is accidentally left home alone by his family during Christmas vacation
INTO JAPANESE
8歳のトラブルメーカーは、クリスマス休暇中に家族が誤って一人で家を出たとき、強盗から家を守らなければなりません
BACK INTO ENGLISH
An 8-year-old troublemaker must protect the house from robbery when a family accidentally leaves home alone during a Christmas holiday
INTO JAPANESE
8歳のトラブルメーカーは、家族がクリスマス休暇中に誤って一人で家を出るとき、強盗から家を守らなければなりません
BACK INTO ENGLISH
An 8-year-old troublemaker must protect the house from robbery when a family accidentally leaves home alone during a Christmas holiday
That didn't even make that much sense in English.