walk in on
US /wɑːk ɪn ɑːn/
UK /wɑːk ɪn ɑːn/
1.
撞见, 闯入
to enter a room and see someone doing something private or embarrassing
:
•
I accidentally walked in on them while they were changing.
我无意中撞见他们正在换衣服。
•
She didn't want anyone to walk in on her while she was practicing her dance moves.
她不想在练习舞步时被任何人撞见。