Chinese ⇄ Russian

地下 dìxià stresses
gen.	подземный; под землёй; почвенный; подполье; подпольный; нелегальный; подземная влага; недра
law	секрет; тайна; тайный; секретный; сохраняемый в тайне
地下 dìxia
gen.	на земле

地下: 1893 phrases in 70 subjects

Abbreviation	3
Agriculture	2
Agrochemistry	1
American usage, not spelling	1
Antennas and waveguides	1
Archaic	1
Astronautics	1
Aviation	9
Botany	3
Brewery	2
Business	19
Chemistry	2
Collective	1
Communications	1
Construction	28
Corporate governance	1
Cycling other than sport	1
Diplomacy	1
Drilling	4
Ecology	10
Economy	2
Education	1
Electricity	3
Electronics	187
Environment	18
Figure of speech	33
Forestry	4
Gas processing plants	4
General	959
Geochemistry	5
Geography	1
Geology	104
Geophysics	1
Gold mining	4
Hydrology	7
Idiomatic	1
Informal	2
Information technology	1
International Monetary Fund	5
Law	3
Low register	1
Medical	1
Metallurgy	1
Military	30
Mineralogy	1
Mining	9
Name of organization	1
Nautical	3
Northern Chinese	2
Nuclear and fusion power	1
Obsolete / dated	1
Oil / petroleum	19
Oil and gas	7
Oil processing plants	25
Oilfields	10
Pipelines	1
Police	1
Production	1
Rail transport	1
Religion	1
Road works	1
Sakhalin	2
Stratigraphy	1
Surveying	1
Technology	301
Telecommunications	1
United Nations	8
Water resources	22
Water supply	1
Wood processing	1