hanky-panky

柯林斯词典

1. N-UNCOUNT If you describe behaviour as hanky-panky, you disapprove of it because it is dishonest or breaks rules. 花招; 詭計; 欺詐[表不滿]
The government has been offering tax credits, accelerated depreciation, and other economic hanky-panky. 政府一直在搞稅款觝免，快速折舊及其它經濟花招。
2. N-UNCOUNT Hanky-panky is used to refer to sexual activity between two people, especially when this is regarded as improper or not serious. (尤指不得躰或不認真的)性行爲; 調情[幽默，非正式]
Does this mean no hanky-panky after lights out?
這意思是說熄燈之後不許有性行爲嗎？