In terms of improving the delivery of your humor - there are four rules you can abide by.

关于改善幽默表达形式，这里有四个规则你可以遵守。

There are four rules of a language parent. Spouses by the way are not very good at this, OK?

语言长辈有下列四项规则，顺带一提，配偶通常都不擅长这些。

There are four rules that any flat-foldable crease pattern must obey.

任何可平折的折痕图案都必须遵守四个规则。

I have seen that four rules govern successful deep tech ventures.

我已经看到四个规则支配着成功的深科技企业。

My father always used to say there are four rules for getting married.

我爸以前一直说结婚有四条准则。