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Other meaning, who sealed the sword, also gave the messenger the power to kill, just like the so-called "Fang Shangjian", which was often wrapped in yellow silk, so it was called this way. Example: Jin Ming (Helan Jinming) failed to make a meritorious military service, and Xuanzong was furious and sent the corps commander to seal the sword and promote it.
The towering other meaning is: high and steep, with mountains. Strange stones. Temple ~, for example: the peaks in the mountains meet, the cliffs are thousands of miles away, and they rise from the ground and are magnificent.