耳をダンボにする

みみをダンボにするmimiodanbonisuru

expression · suru verb

  1. to prick up one's ears
  2. to listen attentively
  3. to make one's ears (like) Dumbo's

Kanji in this word

Study it in Yanamino

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