年之久 niánzhījiǔ for a duration of (years) Origin Definitions Defs Strokes Stroke Words Sentences Sents 年 nián noun year a year or the duration of a year; also used to describe annual or yearly occurrences之久 zhījiǔ particleadjective as long as Used after a time phrase to emphasize the length of a duration, meaning "for as long as..." or "the duration of...".