密密层层
    Pinyin: mì mì céng céng

    Explanation: 比喻满布得没有空隙。

    Source: 明·吴承恩《西游记》第六回：“见那天罗地网，密密层层，各营门提铃喝号，将那山围绕的水泄不通。”

  • Thesaurus:  Linci placed closely side by side (like the teeth of a comb), very dense