bat·ty /ˈbæti/
  (a.)瘋狂的,古怪的,蝙蝠的
  Bat·ty a.
  1. Belonging to, or resembling, a bat. “Batty wings.”
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  batty
       adj : informal or slang terms for mentally irregular; "it used to
             drive my husband balmy" [syn: balmy, barmy, bats,
              bonkers, buggy, cracked, crackers, daft, dotty,
              fruity, haywire, kooky, kookie, loco, loony,
              loopy, nuts, nutty, round the bend, around
             the bend, wacky, whacky]
       [also: battiest, battier]