People drink up their wine to communicate the message to others that they are sincere and joyful.

人们把酒喝完是为了向别人传达一种信息，即他们是真诚的、快乐的。

youdao

She is never completely sincere in what she says about people.

她谈论别人，一向不尽坦诚。

《牛津词典》

If you are honest and sincere, people my deceive you. Be honest and sincere anyway.

如果你是个诚实真诚的人，人们也许会欺骗你，尽管如此，还是做个诚实真诚的人吧。

youdao

"His work and his actions express his sincere concern for the benefit and the wealth of the Thai people.

VOA: standard.2009.09.21

And I don't-- and they seemed sincere but if people say, "I can tickle myself," how many people here will own up to being able to tickle themselves?

我不…,他们说得很真诚，但如果有人说，“我可以胳肢自己”,有多少人承认自己可以,胳肢自己？

耶鲁公开课 - 心理学导论课程节选

At this point in time, let me extend, on behalf of the 1.3 billion Chinese people, sincere greetings and best wishes to the people of the United States.

WHITEHOUSE: China State Visit Arrival Ceremony

Most commission-based agents and brokers are no doubt sincere people trying to do honest work for their clients.

FORBES: Fee-Only Financial Planner: What's the Difference?

Many of these comments were from sincere people who described themselves as content marketers and are proud of it.

FORBES: An Apology to Content Marketers