兩界山 Since the Mountain of Two Frontiers
行者轉下身來,對唐僧行禮道:「告尊師,恕弟子之罪。自當年在兩界山蒙師父大德救脫弟子,秉教沙門,一向西來,雖不曾重報師恩,卻也曾渡水登山,竭盡心力。行者转下身来,对唐僧行礼道:「告尊师,恕弟子之罪。自当年在两界山蒙师父大德救脱弟子,秉教沙门,一向西来,虽不曾重报师恩,却也曾渡水登山,竭尽心力。
逐句解 Line by line
Pilgrim turned and came down, made his obeisance to the Tang Monk and said, "I report to my venerable master, and beg pardon for this disciple's fault.
Before he will teach anybody, Wukong turns round and bows to his own master. 轉下身來, turning and coming down, means he steps off whatever seat of honour he had been given. 弟子, this disciple, is what he calls himself — the same word the princes have been using of themselves for two days.
Ever since that year at the Mountain of Two Frontiers, when my master's great virtue delivered me, I have held to the teaching of the Buddhist order and come west all this way. Though I have never richly repaid my master's kindness, I have crossed the waters and climbed the mountains and spent my heart and strength to the last.
兩界山, the Mountain of Two Frontiers, is where Tripitaka peeled the charm off the rock and let Wukong out after five hundred years — the thirteenth and fourteenth chapters of the novel, and the moment the pilgrimage really began. 秉教沙門 is to hold fast to the teaching of the Buddhist community; 沙門 comes from the Sanskrit for a renunciant. 重 is zhòng, heavily or richly, in 重報.
This is the most sustained thing Wukong says to his master in the chapter, and it is a report of service. Seventy-odd chapters, summarised as crossing water and climbing mountains.
Going back to the Mountain of Two Frontiers is not incidental. He is establishing that he is somebody's disciple before he takes disciples of his own, which is the whole point of the speech.
It is also, from a monkey who spent his early career refusing every authority in heaven, a startlingly correct piece of protocol. Nobody asked him to do this.