be up to your (old) tricks
成語所屬單字old
be up to your (old) tricks — 慣用語
1. To behave in the same bad way as before.
1.慣用語
釋義
故技重施
To behave in the same bad way as before.
例句
Tom is up to his old tricks again, hiding his homework.
She was up to her old tricks, spreading rumors about coworkers.