Here are five simple expressions to cheer someone up in Chinese, along with examples: 1. 加油！ (jiā yóu!) - Keep it up!Example: 加油，你一定能成功！ (jiā yóu, nǐ yí dìng néng chéng gōng!) (Keep it up, you will surely succeed!)
 2. 没关系！ (méi guān xi!) - It's no problem!Example: 别担心，没关系！ (bié dān xīn, méi guān xi!) (Don't worry, it's no problem!)
 3. 不要灰心！ (bú yào huī xīn!) - Don't give up!Example: 只要努力，就一定会成功的，不要灰心！ (zhǐ yào nǔ lì, jiù yí dìng huì chéng gōng de, bú yào huī xīn!) (As long as you work hard, you will surely succeed, don't give up!)
 4. 别担心！ (bié dān xīn!) - Don't worry!Example: 别担心，这不是什么大事！ (bié dān xīn, zhè bú shì shén me dà shì!) (Don't worry, it's not a big deal!) And here is the fifth example: 5. 我们一起努力！ (wǒ men yī qǐ nǔ lì!) - Let's work hard together!Example: 我们一起努力，一定会成功的！ (wǒ men yī qǐ nǔ lì, yí dìng huì chéng gōng de!) (We will succeed if we work hard together!)