ボキャブラリー

in the act

途端(とたん)

B1 · 中級 よく使う

サムラワールド辞書

(1) 熟語, フレーズ

In the process of doing something.  Often used in the context of being caught while doing something illegal, e.g. "caught in the act."

例

  1. He was caught in the act, with numerous witnesses, as well as video camera footage.