warbler in a valley; valley where warblers live
Rare literary image of a warbler dwelling in a valley, often used metaphorically. The two senses are nearly identical and are merged here.
See also: 鶯遷 (おうせん)
鶯谷 is an old-fashioned word that describes the scene of a warbler being in a valley.
remaining obscure and unsuccessful
Rare metaphorical use, derived from the image of a warbler hidden in a valley, implying a person of talent remaining unrecognized. Related to 鶯遷 (おうせん).
See also: 鶯遷 (おうせん)
He is content with his obscure and unsuccessful situation.