"The other day/night etc." is a common phrase we use to refer to a recent event that happened in the past. However, using the same expression frequently may make your writing sound dull and monotonous. Therefore, replacing it with more vivid synonyms would add variety and interest to your sentences. Some alternatives to "the other day/night etc." include "recently," "lately," "a few days ago/earlier," "not long ago," "just yesterday/last night," and "recent times/weeks/months." By choosing different synonyms, you can effectively communicate the same meaning while making your writing more engaging and refreshing for your readers.