腐心
ふしんfushin
noun · suru verb · intransitive
- taking great pains (to do)
- making every effort
- having a lot of trouble (doing)
- racking one's brains
ふしんfushin
noun · suru verb · intransitive
Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences