遂化作甘霖 Turned Into Sweet Rain
那老龍在空中漸漸低下烏雲，直至皇宮之上，隱身潛像，噀一口津唾，遂化作甘霖。那滿朝官齊聲喝采道：「我主萬千之喜，天公降下甘雨來也。」那老龙在空中渐渐低下乌云，直至皇宫之上，隐身潜像，噀一口津唾，遂化作甘霖。那满朝官齐声喝采道：「我主万千之喜，天公降下甘雨来也。」
逐句解 Line by line
The old dragon brought his black cloud gradually lower until he was directly above the palace, hid his body and veiled his form, spurted out a mouthful of spittle, and it turned into sweet rain.
甘霖 — sweet rain — is the phrase reserved for a longed-for downpour after drought, and the narrator applies it to dragon spittle without a flicker of hesitation. 化 stays huà, to transform. The 一 of one mouthful shifts tone in the ordinary way.
The whole court cried out their approval with one voice: "Ten thousand congratulations to our lord — the Lord of Heaven has sent down sweet rain!"
The court supplies the explanation everyone at the palace will keep — the Lord of Heaven has sent down sweet rain — and it is wrong in every particular. 喝 is hè, to call out. 朝 is cháo, the court.
The dragon lowers his cloud over the palace, hides himself, and spits. Sweet rain is the phrase reserved for a longed-for downpour after a drought, and the narrator applies it to dragon spittle without the slightest change of tone.
The court supplies the reading that everyone at the palace will keep: the Lord of Heaven has sent down sweet rain. They are wrong in every particular, and nothing in the chapter ever corrects them.