叩けば埃が出る

たたけばほこりがでるtatakebahokorigaderu

expression

  1. scratch the surface and you will find dirt
  2. look close enough and you will find the flaws
  3. hit something and dust comes out

Kanji in this word

Study it in Yanamino

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences