Correct 成例 / chéng lì / Strokes Example As a Noun precedent; existing model 1 Wú 无 yǒu 有 chéng 成 lì 例 kě 可 xún 循 Copy Pinyin Sentence there is no/a precedent to go by/follow 2 Yuán yǐn 援引 chéng 成 lì 例 Copy Pinyin Sentence cite a precedent 3 Dǎ pò 打破 chéng 成 lì 例 Copy Pinyin Sentence break with precedent