Did you mean: jian jiayan jianan jiaoyan jiaan jiacan jiagan jiaman ?
| 教案 | jiào àn | lesson plan / teaching plan / a "missionary case" (a dispute over Christian missionaries during the late Qing) |
| 交安 | jiāo ān | road traffic safety (abbr. for 交通安全) |
| 教安 | jiào ān | teach in peace (polite phrase to end a letter to a teacher) |