mill around

US /mɪl əˈraʊnd/
UK /mɪl əˈraʊnd/
"mill around" picture
1.

四处走动, 徘徊

to move around in a confused, disorganized manner, often in a group

:
The students began to mill around in the hallway after the bell rang.
铃声响后,学生们开始在走廊里四处走动
Tourists often mill around the famous landmarks, taking photos.
游客们经常在著名地标周围徘徊,拍照留念。