5 sentences

1. 用不着这么酷吧。

   yòng​bu​zháo zhè​me kù ba.

   No need to be that cool.

   Source: OpenSubtitles

2. 你用不着亲自跑一趟，打个电话就行了。

   nǐ yòng​bu​zháo qīn​zì pǎo yī tàng, dǎ gè diàn​huà jiù xíng le.

   You don't need to make the trip in person; a phone call will suffice.

   Source: Dong Chinese Dictionary

3. 你也用不着那么难过。

   nǐ yě yòng​bu​zháo nà​me nán​guò.

   You don't have to be so upset.

   Source: OpenSubtitles

4. 我看用不着多解释。

   wǒ kàn yòng​bù​zháo duō jiě​shì.

   I don't think it needs much explanation.

   Source: OpenSubtitles

5. 既然你买了新的，这台旧电脑我就用不着了。

   jì​rán nǐ mǎi le xīn de, zhè tái jiù diàn​nǎo wǒ jiù yòng​bu​zháo le.

   Since you've bought a new one, I have no use for this old computer anymore.

   Source: Dong Chinese Dictionary