drop in
US /drɑːp ɪn/
UK /drɑːp ɪn/
1.
顺便拜访, 串门
to pay a casual visit to someone without making a prior arrangement
:
•
Feel free to drop in anytime you're in the neighborhood.
你什么时候在附近，随时都可以过来。
•
I might drop in on my way home from work.
我下班回家的路上可能会顺便拜访。