wú​dǐ​dòng

bottomless pit

无底洞 無底洞 wú​dǐ​dòng
bottomless pit noun
a hole without a bottom
insatiable drain
a person, project, or desire that can never be satisfied or filled, often in terms of greed or financial resources

Frequency

Movie subtitles
0.420 per million appears in 0% of films
Written text
0.761 per million

Sources