史无前例 shǐwúqiánlì HSK7 unprecedented Origin Definitions Defs Strokes Stroke Words Sentences Sents 史 shǐ noun history (bound form) past events or human affairs; history无 無 wú adjectiveverb to not have to not have; there is no; lack; (as prefix) non-; un-; -less前例 qiánlì adjective precedent a previous example or case that can be followed or referred to in similar future situations