心を砕く

こころをくだくkokorookudaku

expression · godan verb

  1. to take great pains
  2. to make every effort
  3. to rack one's brains
  4. to be concerned
  5. to worry

Kanji in this word

Study it in Yanamino

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