不讳之门
      Explanation: Taboo: taboo. Refers to the place where words can be outspoken.
      Usage: Partial official; as object; that way good advice Zhijian
      Source: Han Liu Xiang, "said Court, Jun Tao": "All the King at the dignities under the choosing the Shunde, regulation remonstrance will open the door to a limb."
  • Thesaurus:  The road is not taboo