Search the dictionary A Chinese word or character, or English Search 5 entries. jiàoān 教安 teach in peace (polite phrase to end a letter to a teacher) jiàoàn 教案 lesson plan jiāoān 交安 road traffic safety (abbr. for 交通安全) biānjiǎoànlì 边角案例 corner case biānjiǎoànlì 邊角案例 corner case