若隐若显
      Explanation: If: if; hidden: hidden; were: apparent. If not exposed to hide, they seem to show up. Described as vague, not clear look.
      Source: Zhao Ji Song, "Vision and Huapu Landscape III": "as" Feng Yan want rain map "non-negative non-Ji, such as days of fog Xiao Mei, Fei Pale Margaret's like, there is special food for thought, so that others will think of in Weimang room, if implicit, if significant, can not poor people. "