"Underground" • Chinese-English Dictionary
| 地下 | dì xià | underground / subterranean / covert |   |
| 地底 | dì dǐ | subterranean / underground | |
| 井下 | jǐng xià | underground / in the pit (mining) | |
| 埋设 | mái shè | to install (water pipes, landmines etc) underground | |
| 在地下 | zài dì xià | underground | |
| 地宫 | dì gōng | underground palace (as part of imperial tomb) | |
| 地漏 | dì lòu | drain / underground drainpipe / floor gutter / 25th of 2nd lunar month | |
| 暗河 | àn hé | underground river | |
| 暗渠 | àn qú | underground water channel / covered ditch / culvert | |
| 哥老会 | Gē lǎo huì | late-Qing underground resistance movement against the Qing dynasty | |
| 隧 |  suì | tunnel / underground passage | |
| 地下核爆炸 | dì xià hé bào zhà | nuclear underground burst / underground nuclear explosion | |
| 地下核试验 | dì xià hé shì yàn | underground nuclear test | |
| 仙宫 | xiān gōng | underground palace of ghouls, e.g. Asgard of Scandinavian mythology | |
| 峒室 | dòng shì | underground mine storage room / mine passage | |
| 排污地下主管网 | pái wū dì xià zhǔ guǎn wǎng | underground sewage network | |
| 转入地下 | zhuǎn rù dì xià | to go underground / to turn to secret activities | |
| 密封地下核爆炸 | contained underground nuclear explosions | | |
| 次区域溪流和地下含水层委员会 | committee on subregional streams and underground aquifers | | |
| 矿山井下工作最低许可年龄公约 | Convention concerning the Minimum Age for Admission to Employment Underground in Mines | | |
| 妇女在各类矿山井下作业公约 | Convention concerning the Employment of Women on Underground Work in Mines of all Kinds | | |
| 未成年人从事矿山井下作业体格检查公约 | Convention concerning Medical Examination of Young Persons for Fitness for Employment Underground in Mines | | |
| 和平利用地下核爆炸条约核查议定书 | Verification Protocol to the Treaty on Underground Nuclear Explosions for Peaceful Purposes | | |
| 限制地下核武器试验条约议定书 | Protocol to the Treaty on the Limitation of Underground Nuclear Weapon Tests | | |
| 和平利用地下核爆炸条约议定书 | Protocol to the Treaty on Underground Nuclear Explosions for Peaceful Purposes | | |
| 禁止地下核武器试验条约 | treaty banning underground nuclear weapon tests | | |
| 巠 | jīng | underground watercourse / archaic variant of 經|经[jing1] | |
| 地下钱庄 | dì xià qián zhuāng | underground bank / illegal private bank / loan shark | |
