| 莫名 | mò míng | indescribable; ineffable |
| 莫哈韦沙漠 | Mò hā wéi shā mò | Mojave Desert |
| 莫塔马湾 | Mò tǎ mǎ Wān | Gulf of Martaban, Myanmar (Burma) |
| 莫尼卡・莱温斯基 | Mò ní kǎ · Lái wēn sī jī | Monica Lewinsky |
| 莫扎特 | Mò zhā tè | Wolfgang Amadeus Mozart (1756-1791), Austrian composer |
| 莫扎里拉 | mò zā lǐ lā | mozzarella |
| 莫拉莱斯 | Mò lā lái sī | Morales |
| 莫斯特 | Mò sī tè | Mousterian (a Palaeolithic culture) |
| 莫明其妙 | mò míng qí miào | unfathomable mystery (idiom); subtle and ineffable; unable to make head or tail of it |
| 莫测高深 | mò cè gāo shēn | enigmatic; beyond one's depth; unfathomable |
| 莫尔斯 | Mò ěr sī | Morse (name) |
| 莫尔斯电码 | Mò ěr sī diàn mǎ | Morse code |
| 莫尔兹比港 | Mò ěr zī bǐ gǎng | Port Moresby, capital of Papua New Guinea |
| 莫罕达斯 | Mò hǎn dá sī | Mohandas (name) |
| 莫罗尼 | Mò luó ní | Moroni, capital of Comoros |
| 莫卧儿王朝 | Mò wòr wáng cháo | Mughal or Mogul dynasty (1526-1858) |
| 莫衷一是 | mò zhōng yī shì | unable to reach a decision (idiom); cannot agree on the right choice; no unanimous decision; still a matter of discussion |
| 莫言 | Mò Yán | Mo Yan (Chinese author) |
| 莫讲 | mò jiǎng | let alone; not to speak of (all the others) |
| 莫逆 | mò nì | very friendly; intimate |
| 莫逆之交 | mò nì zhī jiāo | intimate friendship; bosom buddies |
| 莫霍洛维奇 | Mò huò luò wéi qí | Andrija Mohorovichich or Mohorovičić (1857-1936), Croatian geologist and seismologist who discovered the Mohorovichich discontinuity or Moho |
莫霍洛维奇不连续
面 | Mò huò luò wéi qí bù lián xù miàn | Mohorovichich discontinuity (lower boundary of the earth's lithosphere); abbr. to Moho 莫霍面 |
| 莫霍面 | Mò huò miàn | Moho (Mohorovichich discontinuity, the lower boundary of the earth's lithosphere) |
| 莫高窟 | Mò gāo kū | Mogao caves in Dunhuang 敦煌, Gansu |
| 讳莫如深 | huì mò rú shēn | important matter that must be kept secret (idiom); don't breathe a word of it to anyone! |
| 变化莫测 | biàn huà mò cè | unpredictable; changeable |
| 贝尔莫潘 | Bèi ěr mò pān | Belmopan, capital of Belize |
| 追悔莫及 | zhuī huǐ mò jí | too late for regrets (idiom); It is useless to repent after the event. |
过而能改，
善莫大焉 | guò ér néng gǎi ,
shàn mò dà yān | If one can change after making a mistake, there is nothing better (idiom) |
| 阿莫西林 | ā mò xī lín | amoxicillin |
| 鞭长莫及 | biān cháng mò jí | lit. the whip cannot reach (idiom); beyond one's influence; too far to be able to help |
| 高深莫测 | gāo shēn mò cè | profound mystery |
| 麦克德莫特 | Mài kè dé mò tè | McDermott (name) |
