资料来源 : pyDict

磨损,磨掉

资料来源 : WordNet®

wear down
     v : exhaust or tire through overuse or great strain or stress;
         "We wore ourselves out on this hike" [syn: {tire}, {wear
         upon}, {tire out}, {wear}, {weary}, {jade}, {wear out}, {outwear},
          {fag out}, {fag}, {fatigue}] [ant: {refresh}]