4 sentences

1. 他的看法恰恰跟我相反。

   tā de kàn​fǎ qià​qià gēn wǒ xiāng​fǎn.

   His view is exactly the opposite of mine.

   Source: Dong Chinese Dictionary

2. 其实我和你想的恰恰相反。

   qí​shí wǒ hé nǐ xiǎng de qià​qià xiāng​fǎn.

   I was actually thinking the exact opposite.

   Source: OpenSubtitles

3. 事实与你的说法恰恰相反。

   shì​shí yǔ nǐ de shuō​fa qià​qià xiāng​fǎn.

   The facts are exactly the opposite of what you said.

   Source: Dong Chinese Dictionary

4. 他们在舞厅里跳起了恰恰。

   tā​men zài wǔ​tīng lǐ tiào qǐ le qià​qià.

   They started dancing the cha-cha in the ballroom.

   Source: Dong Chinese Dictionary