拿將行李 Divide the Luggage and Part
那獃子聞此言，急抽身跑上山，叫：「沙和尚，快拿將行李來，我們分了罷。」沙僧道：「二哥，又分怎的？」那呆子闻此言，急抽身跑上山，叫：「沙和尚，快拿将行李来，我们分了罢。」沙僧道：「二哥，又分怎的？」
逐句解 Line by line
When the Idiot heard this he whipped round, ran back up the mountain and called, "Sha Monk! Fetch the luggage out quickly — let us divide it up."
He does not report the news. He acts on it, instantly and in the worst possible direction. The 將 here is the light disposal word that puts an object in front of its verb, and the closing 罷 is ba, the suggestion particle — so this is a proposal rather than an order, which somehow makes it worse.
Sha Monk said, "Second brother, divide it up for what this time?"
The two words carrying the weight are for what this time. Sha Monk is the steadiest of the four and his weariness is the joke: Bajie has proposed breaking up the company before, more than once, and everyone remembers.
Bajie's instinct on hearing that the master is to be married is to divide the property, and the novel has him do it before he has even told anyone what he heard. It is the purest possible expression of his character and it takes twenty-seven characters.
Sha Monk's reply is a running joke with a long memory. This is not the first time — Bajie proposes dissolving the pilgrimage whenever the road turns difficult, and the other three have learned to treat it as weather. His question is not shocked; it is resigned.