The two drank together, chatting and laughing merrily.
Tips
usage
In modern Chinese, 酌 rarely appears alone. It is most common in formal written compounds: 酌情 (zhuóqíng, at one's discretion), 斟酌 (zhēnzhuó, to weigh up/deliberate), and 对酌 (duì zhuó, to drink together).