他第一次参加这种酒席，不会喝拳，只能先观察别人如何用手指猜数。
It was his first time at this kind of banquet, and since he did not know how to play the game, he could only watch how others guessed the number shown with their fingers.
It was his first time at this kind of banquet, and since he did not know how to play the game, he could only watch how others guessed the number shown with their fingers.