fink

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++fink1 /fɪŋk/ noun [countable] American English informal old-fashioned  1. TELL A SECRETsomeone who tells the police, a teacher, or a parent when someone else breaks a rule or a law 告发者，告密者2. DON'T LIKEa person who you do not like or respect 讨厌鬼；卑鄙小人fink2 verb [intransitive +on] American English informal old-fashioned  TELL A SECRETto tell the police, a teacher, or a parent that someone has broken a rule or a law 告发，告密 SYN squeal on somebody→ See Verb table

Examples from the Corpus

fink• Once yer know the date an' time o' the job yer can fink back.• Mind you though, I fink it was the pipe what did it.• Besides, I fink they do a good job.• I fink they've got rid o' that chaff-cutter.Origin fink1 (1800-1900) Perhaps from German, “finch, student not belonging to a student association”

fink1 nounfink2 verbChinese  

a teacher, tells who or the a someone police, Corpus

fink

I

fink¹ /fɪŋk/ noun [countable] American English informal old-fashioned1. someone who tells the police, a teacher, or a parent when someone else breaks a rule or a law
2. a person who you do not like or respect

II

fink² verb [intransitive +on] American English informal old-fashioned
to tell the police, a teacher, or a parent that someone has broken a rule or a law
   SYN  squeal on somebody

Fink
Fink, Mike
(?1770–1823) a US man who was famous for taking boats up and down the Mississippi River, for being good at shooting, and for talking proudly about his adventures

finkBrE /fɪŋk/ 🔊NAmE /fɪŋk/ 🔊 noun (informal, especially NAmE) an unpleasant person 讨厌鬼；卑鄙小人