Tā / men / chī / fàn / shí / wán / qǐ / le / mǔ / zhàn / zhěng / gè / bāo / jiān / dōu / rè / nào / qǐ / lái / le

他们吃饭时玩起了拇战，整个包间都热闹起来了。

They started a finger-guessing game during the meal, and the private room became lively.