急急去驗 Go Quickly And Have It Checked
三藏道：「悟空，你們在此安排齋飯，等我急急去驗了關文回來，吃了走路。」八戒急取出袈裟關文。三藏整束了進朝，只是吩咐徒弟，不可出外去生事。三藏道：「悟空，你们在此安排斋饭，等我急急去验了关文回来，吃了走路。」八戒急取出袈裟关文。三藏整束了进朝，只是吩咐徒弟，不可出外去生事。
逐句解 Line by line
Tripitaka said, "Wukong, you set the meal in order here. Let me go quickly and have the rescript checked, and when I am back we shall eat and take the road."
He says 悟空, the religious name, rather than 行者 — the form of address he reaches for when he is giving an instruction rather than an opinion.
Eight Rules hurriedly fetched out the cassock and the rescript.
袈裟 spells out the Sanskrit kāṣāya, the monastic robe, and is read as a unit with both syllables keeping their full tone.
Tripitaka dressed himself and went to court, charging his disciples only that they were not to go out and make trouble.
朝 is cháo, the court — the same sense as the 上朝 of the steward's report. 只是 here means 'only', marking a single parting instruction, not the 'however' it can also carry.
Eight Rules produces the cassock without being asked. He has been carrying the regalia all along, and the small unremarked competence sits oddly beside the figure who was pelted with bricks two passages ago.
This is the third time Tripitaka has told his disciples not to cause trouble. The first two ran to four characters apiece; this one runs to seven, and spells out that the trouble he fears begins with going outdoors.
His plan has four steps and a return: cook, check, come back, eat, leave. It is the itinerary he laid out at the hall door, tightened by the steward's warning, and it is about to be overtaken by the proclamation being drafted upstairs.