Jisho

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Expressions (phrases, clauses, etc.)
1. days and nights passing by quickly; months and years flying by; time fliesYojijukugo (four character compound)
Other forms
烏兎匆匆 【うとそうそう】烏兎怱々 【うとそうそう】烏兎怱怱 【うとそうそう】

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