Read Edit View history 前所未有 qiánsuǒwèiyǒu HSK7 unprecedented Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 前所未有 · qiánsuǒwèiyǒu · unprecedented 2026/03/04 前所未有 qiánsuǒwèiyǒu unprecedented unprecedented 这次疫情带来了前所未有的挑战。 idiom created sense Mar 4, 2026, 02:25 AM