Word: 正式 (zhèngshì)

两国去年正式建立了邦交。

Liǎng guó qùnián zhèngshì jiànlìle bāngjiāo.

The two countries formally established diplomatic relations last year.

两国确立了正式的合作关系。

Liǎng guó quèlìle zhèngshì de hézuò guānxi.

The two countries have established a formal cooperative relationship.

他给了我正式批准。

Tā gěi le wǒ zhèngshì pīzhǔn.

He gave me his stamp of approval.

他被检察院正式起诉了。

Tā bèi jiǎncháyuàn zhèngshì qǐsùle.

He was formally prosecuted by the procuratorate.

你们学校的正式名称是什么？

Nǐmen xuéxiào de zhèngshì míngchēng shì shénme?

What is the official name of your school?

你没必要那么正式。

Nǐ méi bìyào nàme zhèngshì.

You don't have to be so formal.

她不是这间公司正式的职员。

Tā bú shì zhè jiān gōngsī zhèngshì de zhíyuán.

She's not among the regular employees of this company.

您没必要准备一个正式的演讲。

Nín méi bìyào zhǔnbèi yí gè zhèngshì de yǎnjiǎng.

You don't need to prepare a formal speech.

我们下周一正式签约。

Wǒmen xià zhōuyī zhèngshì qiānyuē.

We will formally sign the contract next Monday.

新体育馆下个月正式开幕。

Xīn tǐyùguǎn xiàgeyuè zhèngshì kāimù.

The new gym will officially open next month.

新市长明天正式就任。

Xīn shìzhǎng míngtiān zhèngshì jiùrèn.

The new mayor formally takes office tomorrow.

新手机下个月将正式亮相。

Xīn shǒujī xiàgeyuè jiāng zhèngshì liàngxiàng.

The new phone will officially make its debut next month.

新的地铁线下个月正式启用。

Xīn de dìtiě xiàn xiàgeyuè zhèngshì qǐyòng.

The new subway line officially opens for use next month.

朋友聊天不用这么正式。

Péngyou liáotiān búyòng zhème zhèngshì.

There's no need to be so formal when friends chat.

聚会不用正式，穿便装就行。

Jùhuì búyòng zhèngshì, chuān biànzhuāng jiù xíng.

The party isn't formal, so casual clothes are fine.

这只是个俗称，不是正式名称。

Zhè zhǐshì gè súchēng, bú shì zhèngshì míngchēng.

This is just a common term, not the official name.

面试时，你要说得正式一点。

Miànshì shí, nǐ yàoshuō de zhèngshì yìdiǎn.

In an interview, you should speak a bit more formally.