资料来源 : pyDict

绕到前面去;阻止,阻拦

资料来源 : WordNet®

head off
     v : prevent the occurrence of; prevent from happening; "Let's
         avoid a confrontation"; "head off a confrontation";
         "avert a strike" [syn: {debar}, {obviate}, {deflect}, {avert},
          {stave off}, {fend off}, {avoid}, {ward off}]