魂散魄飛 Their Souls Scattered
他要磨得明了，先打死你門前一萬精哩。」那些小妖聞得此言，一個個心驚膽戰，魂散魄飛。他要磨得明了，先打死你门前一万精哩。」那些小妖闻得此言，一个个心惊胆战，魂散魄飞。
逐句解 Line by line
He means to get it ground bright, and then kill the ten thousand spirits in front of your gate first."
磨得明了 has 得 unstressed, hanging the result on the verb — ground until it shines. And 先打死 is the word that does the work: first. Before anything else, and before anyone in particular.
When the little demons heard this, every one of them was struck to the heart and shaken to the gall, their souls scattered and their spirits flown.
心驚膽戰 and 魂散魄飛 are two set four-character phrases stacked — heart startled and gall trembling, then the two souls scattered and flown. Chinese put courage in the gall bladder and counted two souls to a person, and both are being reported as having left.
The whole speech has been building to one word, and the word is first. The ten thousand at the gate are not incidental casualties; they are the opening item on a list.
That is the difference between a threat and intelligence. Pilgrim has not told them a monster is coming. He has told them where they personally stand in its schedule.
And the reaction is given in two stock phrases, which is exactly right. These are not individuals having individual reactions. They are a crowd, and a crowd panics in clichés.