by ones and twos meaning in English
三三两两地，零零落落地
Examples
- I run out the guineas by one and two at a time .
我每回输一个金币或者两个金币。 - I ran out the guineas by one and two at a time .
我每回输一个金币或者两个金币。 - People begin to leave the meeting by one and two
人们开始三三两两地离开了会场。