Search the dictionary A Chinese word or character, or English Draw a character Search 4 entries. mǎihòuhuǐyào 买后悔药 to wish one could undo a mistake mǎihòuhuǐyào 買後悔藥 to wish one could undo a mistake màihòuhuǐyào 卖后悔药 to help someone make up for the results of a mistake màihòuhuǐyào 賣後悔藥 to help someone make up for the results of a mistake