tag along
US /tæɡ əˈlɔŋ/
UK /tæɡ əˈlɔŋ/

1.
跟着, 随行
accompany someone, especially without being invited or wanted
:
•
Can I tag along with you to the park?
我可以跟着你去公园吗?
•
My little brother always tries to tag along when I go out with friends.
我弟弟总是想跟着我出去和朋友玩。