6 sentences

1. 别灰心，你要振作起来。

   bié huī​xīn, nǐ yào zhèn​zuò qi​lai.

   Don't lose heart; you need to cheer up.

   Source: Dong Chinese Dictionary

2. 我们要振作精神，迎接挑战。

   wǒ​men yào zhèn​zuò jīng​shen, yíng​jiē tiǎo​zhàn.

   We must pull ourselves together to meet the challenge.

   Source: Dong Chinese Dictionary

3. 他不值得你为他这么伤心，快振作起来吧。

   tā bù​zhí​de nǐ wèi tā zhè​me shāng​xīn, kuài zhèn​zuò qi​lai ba.

   He's not worth being this sad over. Pull yourself together.

   Source: Dong Chinese Dictionary

4. 他在事业上跌倒后，花了好几年才振作起来。

   tā zài shì​yè shàng diē​dǎo hòu, huā le hǎo​jǐ nián cái zhèn​zuò qi​lai.

   After suffering a setback in his career, it took him several years to get back on his feet.

   Source: Dong Chinese Dictionary

5. 老师的一番知心话，让沮丧的他重新振作了起来。

   lǎo​shī de yī fān zhī​xīn huà, ràng jǔ​sàng de tā chóng​xīn zhèn​zuò le qi​lai.

   The teacher's heart-to-heart talk cheered him up from his depression.

   Source: Dong Chinese Dictionary

6. 这个好消息大大地振作了大家的士气。

   zhè gè hǎo xiāo​xi dà​dà de zhèn​zuò le dà​jiā de shì​qì.

   This good news greatly boosted everyone's morale.

   Source: Dong Chinese Dictionary