| 1 | 神秘 | 神秘 | shén mì | shen2 mi4 | mysterious; mystery | | |
| 2 | 秘密 | 秘密 | mì mì | mi4 mi4 | secret; Classifiers: 个 | | |
| 3 | 秘书 | 秘書 | mì shū | mi4 shu1 | secretary | | |
| 4 | 秘书长 | 秘書長 | mì shū zhǎng | mi4 shu1 zhang3 | secretary-general | | |
| 5 | 奥秘 | 奧祕 | ào mì | ao4 mi4 | secret; mystery | | |
| 6 | 秘不可解 | 秘不可解 | mì bù kě jiě | mi4 bu4 ke3 jie3 | to be wrapped in mystery (idiom) | | |
| 7 | 秘密警察 | 秘密警察 | mì mì jǐng chá | mi4 mi4 jing3 cha2 | secret police | | |
| 8 | 秘密活动 | 秘密活動 | mì mì huó dòng | mi4 mi4 huo2 dong4 | clandestine activities; covert operation | | |
| 9 | 秘密会社 | 秘密會社 | mì mì huì shè | mi4 mi4 hui4 she4 | a secret society | | |
| 10 | 秘结 | 祕結 | mì jié | mi4 jie2 | constipation | | |
| 11 | 秘技 | 秘技 | mì jì | mi4 ji4 | cheat code | | |
| 12 | 秘笈 | 秘笈 | mì jí | mi4 ji2 | rare book; cheat code (video games); secret book or collection of books | | |
| 13 | 秘而不宣 | 祕而不宣 | mì ér bù xuān | mi4 er2 bu4 xuan1 | to withhold information; to keep sth secret | | |
| 14 | 秘传 | 祕傳 | mì chuán | mi4 chuan2 | to hand down secret knowledge from generation to generation within a school or family etc | | |
| 15 | 秘藏 | 祕藏 | mì cáng | mi4 cang2 | to stash away; a hoard; a cache | | |
| 16 | 秘本 | 祕本 | mì běn | mi4 ben3 | a treasured rare book | | |
| 17 | 联合国秘书处 | 聯合國秘書處 | lián hé guó mì shū chù | Lian2 he2 guo2 Mi4 shu1 chu4 | United Nations Secretariat | | |
| 18 | 隐秘难言 | 隱秘難言 | yǐn mì nán yán | yin3 mi4 nan2 yan2 | too embarrassing to mention | | |
| 19 | 诡秘 | 詭祕 | guǐ mì | gui3 mi4 | secretive; furtive; surreptitious | | |
| 20 | 怪秘 | 怪祕 | guài mì | guai4 mi4 | strange; mystic | | |
| 21 | 个中秘密 | 個中秘密 | gè zhōng mì mì | ge4 zhong1 mi4 mi4 | inside stories (idiom) | | |
| 22 | 副秘书长 | 副秘書長 | fù mì shū zhǎng | fu4 mi4 shu1 zhang3 | vice-secretary | | |
| 23 | 大便秘结 | 大便祕結 | dà biàn mì jié | da4 bian4 mi4 jie2 | constipation | | |
| 24 | 财务秘书 | 財務秘書 | cái wù mì shū | cai2 wu4 mi4 shu1 | treasurer | | |
| 25 | 便秘 | 便秘 | biàn mì | bian4 mi4 | constipation; Taiwan pr. [bian4 bi4] | | |