一心不乱
- 1wholeheartedly ; with heart and soul ; intently ; with undivided attention ; with intense concentration ; single-mindedly Translated by Jiyomi
adjectival nouns or quasi-adjectives (keiyodoshi) · noun (common) (futsuumeishi)
Kanji · tap to open
JMdict entry 1163610 · frequency rank 43. Source and licence.