不知不觉

bùzhībùjué

HSK 7

不知不觉 — bùzhībùjué

  1. unconsciously; without realizing it

    他不知不觉已经工作了十年。 tā bùzhībùjué yǐjīng gōngzuò le shínián — He has, without realizing it, already worked for ten years.