郑重其事

wèi le zhèng zhòng qí shì wǒ àn gǎo zi lái tán

为了郑重其事，我按稿子来谈。

In view of the seriousness of the matter, I'll speak from a written text.

tā de jǔ zhǐ hěn zhèng zhòng qí shì yǒu kě néng huì xiǎn de bù yǒu hǎo

她的举止很郑重其事，有可能会显得不友好。

She has a very formal manner, which can seem unfriendly.

tā zhàn qǐ shēn lái zhèng zhòng qí shì de shuō tā yào zǒu

他站起身来，郑重其事地说他要走。

He stood up and announced that he was ready to go.

zhèng zhòng qí shì de xuān gào

郑重其事地宣告

solemnly declare