by twos and threes 三三两两

We went to the station by twos and threes. 我们三三两两地走向车站。

三三两两 in twos and threes

They arrived in twos and threes. 他们三三两两地来了。

three-bottle man 大酒徒

His grandfather is a three-bottle man. 他外公是个大酒徒。