put on an act
装模作样、装腔作势、做戏
在英语中，我们可以用 put on an act 这个习语表示“装模作样、装腔作势、做戏”，多指以虚假或做作的方式行为或说话，一种虚伪的表现，比如：
- 别端着，自然一点。
Stop putting on an act and be yourself. - 他做戏只是为了给老板看。
He's just putting on an act for the boss's benefit. - 他这番表演，真可谓淋漓尽致。
He put on an act, which showed him up completely.
