日复一日

Explanation: Re: again, then. After day after day. Analogy days long, long time. Also described the time in vain in the past. 　　Usage: Predicate; for clause; described the passage of time 　　Source: Fan Ye Southern Song "under the Later Han Ji Guangwu": "the world weighing equipment often is not any fear, day after day, On-old forward almost dare?" 　　Examples: Year after year, ~, career geometry, rather worthy of the disposable throw zai? (Qing Anonymous "Du Yan Zhi" Volume) Thesaurus:  for a long time, consecutively, days, A day meet A day terra, ceaselessly, incessantly