洞

cave / hole / zero (unambiguous spoken form when spelling out numbers) / CL:個|个[ge4]

like / same / similar / together / alike / with

"water" radical in Chinese characters (Kangxi radical 85), occurring in 沒|没[mei2], 法[fa3], 流[liu2] etc / see also 三點水|三点水[san1 dian3 shui3]

see 衚衕|胡同[hu2 tong4]

hole in ice / crevasse

place of charm and beauty / scenery of exceptional charm / completely different world

Renzidong palaeolithic archaeological site at Fanchang 繁昌[Fan2 chang1], Anhui

Kezil thousand-Buddha grotto in Baicheng 拜城, Aksu 阿克蘇地區|阿克苏地区, Xinjiang

cavity / pit

variant of 涵洞[han2 dong4]

Buddhist grottos

Lü Dongbin (796-), Tang Dynasty scholar, one of the Eight Immortals 八仙[Ba1 xian1]

hole in one (golf)

(golf) hole in one