cut back
  修剪,折回
  cut back
       v 1: return in time; "the film cut back to an earlier event in
            the story" [syn: flash back]
       2: cut down on; make a reduction in; "reduce your daily fat
          intake"; "The employer wants to cut back health benefits"
          [syn: reduce, cut down, trim, trim down, trim
          back, cut, bring down]
       3: cultivate, tend, and cut back the growth of; "dress the
          plants in the garden" [syn: snip, clip, crop, trim,
           lop, dress, prune]
       4: place restrictions on; "curtail drinking in school" [syn: restrict,
           curtail, curb]