资料来源 : pyDict

偶然发现

资料来源 : WordNet®

chance on
     v : find unexpectedly; "the archeologists chanced upon an old
         tomb"; "she struck a goldmine"; "The hikers finally
         struck the main path to the lake" [syn: {fall upon}, {strike},
          {come upon}, {light upon}, {chance upon}, {come across},
          {happen upon}, {attain}, {discover}]