the term for the action is idiomatic -

1.

• Englishknow-it-all

• Englishsomeone who obnoxiously claims to be knowledgeable on a subject

• Armenianամենագետ, ամենագիտակ

• Basquesasijakintsu, sasijakitun

• Catalansetciències

• Chinese

• Mandarin萬事通

• Czechvševěd

• Dutchbetweter

• Finnishkaikkitietävä, besserwisser

• FrenchM. Je-Sais-Tout

• GermanBesserwisserNeunmalkluger

• Italiansapientone, sa tutto, saputello

• Japanese知ったかぶり

• Macedonianсезнајко

• Maoriwhakaputa mōhio, ngutu huia

• Norwegian

• Bokmålbedreviterforståsegpåer

• Persianعلامه دهر

• Portuguesesabichãosabe-tudo

• Russianвсезна́йкаru

• Serbo-Croatiansveznalicaсвезналица

• Spanishsabelotodo, sabiondo

• Swedishviktigpetter, besserwisser

• Turkishçok bilmiş

• West frisianwiisprater, wiisnoas

English translator: English the term for the action is idiomatic  Eesti sõnaraamat   Español Traductor   Svenska Översättare