even out
 使平坦,壓平;平分,平攤


 even out
      v 1: adjust or make up for; "engineers will work to correct the
           effects or air resistance" [syn: compensate, counterbalance,
            correct, even off, even up]
      2: make level or straight; "level the ground" [syn: flush, level,
          even]
      3: become even or more even; "even out the surface" [syn: even]
      4: make even or more even [syn: even]