Chinese

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|- ! !not; no; (negative prefix) !three; 3 !not; no; (negative prefix) !four; 4 |- !simp. and trad.
(不三不四) | 不 | 三 | 不 | 四 |}

Adjective

不三不四

1. dubious; questionable; shady
2. neither one thing nor the other; neither fish nor fowl

See also

• 不倫不類／不伦不类 (bùlún bùlèi)
• (Cantonese) 唔三唔四