“Bù gōng bù yì” is a classical-style Mandarin expression meaning “unfair and unjust,” still used today to denounce corruption, bias or cheating. The exact recording behind this clip is unattributed, but its sub-second length and theatrical delivery made it a handy reaction sound for short-form video. Creators use it to punctuate rigged game moments, disputed calls and lopsided edits, where the formal, almost courtroom-like phrasing turns everyday unfairness into comedy. Its appeal is the contrast: grave language for trivial grievances.