YOU SAID:

billy asked his mother for a key to go trick or treating

INTO JAPANESE

ビリーは母親にトリックオアトリートの鍵を求めました

BACK INTO ENGLISH

Billy asks his mother for a trick or treat key

INTO JAPANESE

ビリーは母親にトリックオアトリートキーを要求します

BACK INTO ENGLISH

Billy asks his mother for a trick or treat key