over·hear /ˌovɚ/
 (vt.)無意中聽到,偷聽
 O·ver·hear v. t. [imp. & p. p. Overheard p. pr. & vb. n. Overhearing.]
 1. To hear more of (anything) than was intended to be heard; to hear by accident or artifice.
 2. To hear again.
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 overhear
      v : hear, usually without the knowledge of the speakers; "We
          overheard the conversation at the next table" [syn: catch,
           take in]
      [also: overheard]