Blah
来自Big Physics
wiktionary
GRILLO, R.D. 1989. Dominant languages: Language and hierarchy in Britain and France. Cambridge: Cambridge University Press.
etymonline
blah (n.)
"idle, meaningless talk," 1918, probably echoic; the adjective meaning "bland, dull" is from 1919, perhaps influenced by French blasé "bored, indifferent." The blahs "depression" is attested by 1966.
