know-it-all

名词 n.
中文释义
美 /ˈnəʉ.ɪt.oːl/

英文释义

名词 n.
  1. Someone who claims to be knowledgeable or an expert in something, obnoxiously dismissing the opinions, advice, suggestions, etc. of others. US,derogatory
    — We had it all figured out, but this know-it-all marched in with "the correct way of solving it", leaving our experiment in shambles.

词形变化

know-it-alls plural know-all alternative,Commonwealth,Ireland,UK

词汇关系

反义词
wise person

词源

Etymology tree
English know
English it
Proto-Indo-European *h₂el-der.?
Proto-Indo-European *h₂elnós
Proto-Germanic *allaz
Proto-West Germanic *all
Old English eall
Middle English all
English all
English know-it-all
From know + it + all.
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