蟾 ㄔㄢ ˊ chán 宫 ㄍㄨㄥ gōng 折 ㄓㄜ ˊ zhé 桂 ㄍㄨㄟ ˋ guì 蟾 ㄔㄢ ˊ chán 宮 ㄍㄨㄥ gōng 折 ㄓㄜ ˊ zhé 桂 ㄍㄨㄟ ˋ guì lit. plucking a branch of osmanthus from the Toad Palace (i.e. the moon) fig. to succeed in the imperial examination