How "杠精 gàng jīng" usually talks to other people? 

Dialogue:

A: 我剛從云南回來。那里真的是太美了!

Wǒ gāng cóng yún nán huí lái. Nà lǐ zhēn de shì tài měi le.

I just came back from Yunnan. It's so beautiful!

B: 美嗎？那你顯然是沒去過西藏了。

Měi ma? Nà nǐ xiǎn rán shì méi qù guò xī zàng le.

Beautiful? You've obviously never been to Tibet.

Words & expressions:

【剛】gāng: just
【從】cóng: from
【回來】huí lái: come back
【太】tài: too, very
【美】měi: beautiful
【顯然】xiǎn rán: obviously

Source: Learning Mandarin Chinese
Editor: wanwan