资料来源 : pyDict

扎牢,扎紧;束缚,限制

资料来源 : WordNet®

tie down
     v 1: secure with or as if with ropes; "tie down the prisoners";
          "tie up the old newspapes and bring them to the
          recycling shed" [syn: {tie up}, {bind}, {truss}]
     2: restrain from independence by an obligation; "He was tied
        down by his work"