年代 niándài HSK3 decade Origin Definitions Defs Strokes Stroke Words Sentences Sents niándài decade · age 年 nián noun period a period of time, an era, or a decade代 dài nounadjective era (historical) a historical period; a dynasty or stage in historyniándài years 年 nián noun year a year or the duration of a year; also used to describe annual or yearly occurrences代 dài nounmeasure word generation a step in a line of family descent; the period of time between the birth of parents and their children