窟

cave / hole

bent / to feel wronged

cave / cavity / hole / acupuncture point / Taiwan pr. [xue4]

hole / pocket / cavity / loophole / debt

a cave

rock cave / grotto / cliff caves (often with Buddhist statues)

lit. a crafty rabbit has three burrows / a sly individual has more than one plan to fall back on (idiom)

small hole

buttocks (dialect)

Mogao caves in Dunhuang 敦煌, Gansu

Yungang Caves at Datong 大同, Shanxi 山西

Angkor Wat, temple complex in Cambodia

the four great caves, namely: Longmen Grottoes 龍門石窟|龙门石窟[Long2 men2 Shi2 ku1] at Luoyang, Henan, Yungang Caves 雲岡石窟|云冈石窟[Yun2 gang1 Shi2 ku1] at Datong, Shanxi, Mogao Caves 莫高窟[Mo4 gao1 ku1] at Dunhuang, Gansu, and Mt Maiji Caves 麥積山石窟|麦积山石窟[Mai4 ji1 Shan1 Shi2 ku1] at Tianshui, Gansu

Dunhuang caves in Gansu / refers to Mogao caves 莫高石窟[Mo4 gao1 shi2 ku1]