break through
     v 1: pass through (a barrier); "Registrations cracked through the
          30,000 mark in the county" [syn: {crack}]
     2: penetrate; "The sun broke through the clouds"; "The rescue
        team broke through the wall in the mine shaft" [syn: {come
        through}]
     3: as of teeth, for example; "The tooth erupted and had to be
        extracted" [syn: {erupt}, {come out}, {push through}]
Source: WordNet® 2.0