你能不能正经回答一下我的问题？

Nǐ néng bu néng zhèngjīng huídá yíxià wǒde wèntí?

Could you please answer my question seriously?

开会的时候大家要正经一点，不要老开玩笑。

Kāihuì de shíhou dàjiā yào zhèngjīng yìdiǎn, bùyào lǎo kāi wánxiào.

During the meeting everyone should be a bit more serious and stop joking around.

他在网上开店，虽然辛苦，但也是一份正经工作。

Tā zài wǎngshàng kāidiàn, suīrán xīnkǔ, dàn yě shì yí fèn zhèngjīng gōngzuò.

He runs an online shop; although it’s hard work, it is a proper job.