biff

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++biff1 /bɪf/ verb  1  [transitive] old-fashioned informalHIT to hit someone hard with your fist 〔用拳头〕狠打，猛揍 SYN thump He biffed me on the nose. 他猛击我的鼻子。2. [intransitive] informal to fall or hit something when riding a bicycle, snowboard etc 〔骑自行车或玩单板滑雪等时〕摔下来，撞到某物→ See Verb tablebiff2 noun [countable] informal  an embarrassing mistake 洋相Origin biff (1800-1900) Probably from the sound of hitting

biff1 verbbiff2 nounChinese  

your fist to hit someone with hard Corpus

biff

I

biff¹ /bɪf/ verb1. [transitive] old-fashioned informal to hit someone hard with your fist
   SYN  thump:
    He biffed me on the nose.
2. [intransitive] informal to fall or hit something when riding a bicycle, snowboard etc

II

biff² noun [countable] informal
an embarrassing mistake

biffBrE /bɪf/ 🔊NAmE /bɪf/ 🔊 verbpresent simple - I / you / we / they biff BrE /bɪf/ 🔊 NAmE /bɪf/ 🔊present simple - he / she / it biffs BrE /bɪfs/ 🔊 NAmE /bɪfs/ 🔊past simple biffed BrE /bɪft/ 🔊 NAmE /bɪft/ 🔊past participle biffed BrE /bɪft/ 🔊 NAmE /bɪft/ 🔊 -ing form biffing BrE /ˈbɪfɪŋ/ 🔊 NAmE /ˈbɪfɪŋ/ 🔊~ sb (old-fashioned, informal) to hit sb hard with your fist （用拳头）狠打，猛击◆He biffed me on the nose. 他一拳砸在我鼻子上。🔊🔊▸ biff noun