know-it-all in Finnish
know-it-all in Finnish
besserwisser
(chiefly, US, pejorative) Someone who claims to be knowledgeable or an expert in something, obnoxiously dismissing the opinions, advice, suggestions, etc. of others.
kaikkitietävä
(chiefly, US, pejorative) Someone who claims to be knowledgeable or an expert in something, obnoxiously dismissing the opinions, advice, suggestions, etc. of others.