mooch
verb (informal)- [intransitive] + adv./prep. (British English)
to walk slowly with no particular purpose; to be somewhere not doing very much 溜达；闲逛 - [intransitive, transitive] mooch (something) (off somebody) (North American English)
to get money, food, etc. from somebody else instead of paying for it yourself 白吃（或用等）；要别人白给（金钱、食物等）
Word Originlate Middle English (in the sense ‘to hoard’): probably from Old French muchier (Anglo-Norman muscher) ‘hide, skulk’. Current senses date from the mid 19th cent.