If your humor falls flat, do what professional humorists do. Pretend you are serious.

如果你的笑话沉闷乏味，就做一些幽默大师做的事情，假装你是很认真的。

youdao

However, this can get complicated. What's more, by paying cash, it shows that you are serious.

更多的是方法，通过支付现金，这将会显示你是认真的。

youdao

After about 20 emails, he'll know that you are serious, and he will answer.

经过大约20封电子邮件，他就会知道你是认真的，他就会回应。

youdao

"Today I say to you that the challenges we face are real, they are serious and they are many.

VOA: special.2010.01.23

"Well,we will do that over the course of the cross-examination, Mr.Taylor,but of all the people who have come before this court, you are the one facing these serious charges.

VOA: standard.2009.11.10

And it basically says to states: Prove that you are serious about reform.

WHITEHOUSE: President Obama and Jeb Bush on Education in Miami

What I was trying to ask was not how are you going to pay for it, are you serious about paying for it.

WHITEHOUSE: Press Briefing

The good news for marketers is that when a user makes the effort to find and follow a brand on Facebook, you know they are a serious fan.

FORBES: Social Commerce: Luring Customers To Your Facebook Page