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; 诡计; 欺诈[表不满]
The government has been offering tax credits, accelerated depreciation, and other economic hanky-panky. 政府一直在搞税款抵免，快速折旧及其它经济花招。
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. (尤指不得体或不认真的)性行为; 调情[幽默，非正式]
Does this mean no hanky-panky after lights out?
这意思是说熄灯之后不许有性行为吗？