- 一心不乱
- いっしんふらん【一心不乱】ほかの事に注意をそらさず， 一つの事に心を集中させているさま。
「～に勉強する」
Japanese explanatory dictionaries. 2013.
一心不乱
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Action (B'z album) — Infobox Album | Name = Action Type = Album Artist = B z Released = December 5, 2007 Genre = Hard rock Recorded = Length = Label = Vermillion Records Producer = Tak Matsumoto Reviews = Last album = Monster (2006) This album = Action (2007) Next… … Wikipedia
