kōng​duì​kōng

air-to-air

空对空 空對空 kōng​duì​kōng
air-to-air
From a vehicle in the air toward a target in the air; used mostly to describe weapons like missiles
empty and vague
Impractical and devoid of actual content; used to describe talk, arguments, or writing that consists entirely of empty words or hollow theories

Frequency

Movie subtitles
0.060 per million appears in 0% of films

Sources

Frequency data
SUBTLEX-CH