wieldy /ˈwi(ə)ldi/
  (a.)易于使用的,適合的
  Wield·y a. Capable of being wielded; manageable; wieldable; -- opposed to unwieldy.  [R.]
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  wieldy
       adj : easy to handle or use or manage; "a large but wieldy book"
             [syn: manageable] [ant: unwieldy]
       [also: wieldiest, wieldier]