5 sentences

1. 绿衣黄裳，心之忧矣。

   lǜ​yī huáng cháng, xīn zhī yōu yǐ.

   Green upper garment and yellow lower garment; my heart is full of sorrow.

   Source: Dong Chinese Dictionary

2. 看到庄稼枯萎，农民心中充满了忧。

   kàn​dào zhuāng​jia kū​wěi, nóng​mín xīn​zhōng chōng​mǎn le yōu.

   Seeing the crops wither, the farmers' hearts were filled with worry.

   Source: Dong Chinese Dictionary

3. 他最近心情忧郁，总是一个人坐着。

   tā zuì​jìn xīn​qíng yōu yù, zǒng​shì yī gè rén zuò zhe.

   He has been feeling depressed lately and always sits by himself.

   Source: Dong Chinese Dictionary

4. 居庙堂之高则忧其民，处江湖之远则忧其君。

   jū miào​táng zhī gāo zé yōu qí mín, chǔ jiāng​hú zhī yuǎn zé yōu qí jūn.

   When high in court, one worries for the people; when far away in the world, one worries for the ruler.

   Source: Dong Chinese Dictionary

5. 由于老家有忧，他不得不请假回家。

   yóu​yú lǎo​jiā yǒu yōu, tā bù​dé​bù qǐng​jià huí​jiā.

   He had to take leave to return home due to a family bereavement.

   Source: Dong Chinese Dictionary