pooh-pooh /ˈpu(ˌ)pu, puˈ/
  (vt.)藐視,嘲笑(vi.)發呸聲
  Pooh-pooh v. t. To make light of; to treat with derision or contempt, as if by saying pooh! pooh! [Colloq.]
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  pooh-pooh
       v 1: express contempt about
       2: reject with contempt; "She spurned his advances" [syn: reject,
           spurn, freeze off, scorn, disdain, turn down]