口を酸っぱくする

くちをすっぱくするkuchiosuppakusuru

expression · suru verb

  1. to repeatedly admonish
  2. to tell over and over

Kanji in this word

Study it in Yanamino

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