walk in on
US /wɑːk ɪn ɑːn/
UK /wɑːk ɪn ɑːn/

句動詞
1.
踏み込む, 鉢合わせる
to enter a room and see someone doing something private or embarrassing
例:
•
I accidentally walked in on them while they were changing.
彼らが着替えている最中に、うっかり踏み込んでしまった。
•
She didn't want anyone to walk in on her while she was practicing her dance moves.
彼女はダンスの練習中に誰にも踏み込まれたくなかった。
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