いすかの嘴
Idiom- 1(something) not coming together (as one had hoped or expected) ; unfortunate turn of events ; unexpected turn ; (a) crossbill's beak (which has differently shaped upper and lower parts) Translated by Jiyomi
Other writings and readings
交喙の嘴鶍の嘴
expressions (phrases, clauses, etc.) · noun (common) (futsuumeishi) · nouns which may take the genitive case particle 'no'
JMdict entry 2575160. Source and licence.