[建] conversion method

yoú yī zhǒng tīng zhuǎn huà wèi lìng yī zhǒng tīng de fāng fǎ ㄧㄡˊ ㄧ ㄓㄨㄥˇ ㄊㄧㄥ ㄓㄨㄢˇ ㄏㄨㄚˋ ㄨㄟˋ ㄌㄧㄥˋ ㄧ ㄓㄨㄥˇ ㄊㄧㄥ ㄉㄜ˙ ㄈㄤ ㄈㄚˇ