duff

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++duff1 /dʌf/ noun [countable]  1 American English informal the part of your body that you sit on 屁股 SYN bottom Get off your duff (=stop sitting or stop being lazy) and help me! 别坐着不动，来帮我忙！

Examples from the Corpus

duff• Even if she didn't spot that her sister was up the duff, she must have known her mum wasn't.duff2 adjective British English informal  1.BROKENbad or useless 坏了的；无用的

Examples from the Corpus

duff• A Godsend for anyone who has to submit work as it gets rid of the chance of sending a duff disk.• This has been a duff year for him: the runs have flowed like treacle, and Dame Fortune has turned sour.duff3 verb  1.duff somebody ↔ up phrasal verb British English informal FIGHTto fight someone and injure them 痛打〔某人〕，殴伤〔某人〕→ See Verb table

Examples from the Corpus

duff• For a small fee, usually a week's tuck allowance, she would duff up any victim selected.Origin duff1 (1800-1900) dough duff2 (1800-1900) Perhaps from duffer

duff1 nounduff2 adjectiveduff3 verbChinese  

that the your body Corpus sit you on part of

duff

I

duff¹ /dʌf/ noun [countable]American English informal the part of your body that you sit on
   SYN  bottom:
    Get off your duff (=stop sitting or stop being lazy) and help me!

II

duff² adjective British English informalbad or useless

III

duff³ verb
     
duff somebody ↔ up phrasal verb British English informal
  to fight someone and injure them