资料来源 : pyDict

领会,懂得,理解;对…产生好感,喜欢

资料来源 : WordNet®

cotton on
     v : understand, usually after some initial difficulty; "She
         didn't know what her classmates were plotting but finally
         caught on" [syn: {catch on}, {get wise}, {get onto}, {tumble},
          {latch on}, {twig}, {get it}]