be·smirch /bɪˈsmɝʧ/
 (vt.)弄污,污漬
 Be·smirch v. t. [imp. & p. p. Besmirched p. pr. & vb. n. Besmirching.] To smirch or soil; to discolor; to obscure. Hence: To dishonor; to sully.
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 besmirch
      v 1: charge falsely or with malicious intent; attack the good
           name and reputation of someone; "The journalists have
           defamed me!" "The article in the paper sullied my
           reputation" [syn: defame, slander, smirch, asperse,
            denigrate, calumniate, smear, sully]
      2: smear so as to make dirty or stained [syn: smirch]