4 sentences

1. 小儿时期的记忆已经模糊了。

   xiǎo​r shí​qī de jì​yì yǐ​jīng mó​hu le.

   Childhood memories have become blurred.

   Source: Dong Chinese Dictionary

2. 这是家中小儿，目前还在读大学。

   zhè shì jiā zhōng xiǎo'ér, mù​qián hái zài dú dà​xué.

   This is my son; he is currently at university.

   Source: Dong Chinese Dictionary

3. 小儿需要充足的睡眠才能健康成长。

   xiǎo'ér xū​yào chōng​zú de shuì​mián cái néng jiàn​kāng chéng​zhǎng.

   Young children need plenty of sleep to grow up healthy.

   Source: Dong Chinese Dictionary

4. 邻居家里最近生了一个可爱的小儿。

   lín​jū jiā lǐ zuì​jìn shēng le yī gè kě'ài de xiǎo​r.

   The neighbor recently had a cute little baby boy.

   Source: Dong Chinese Dictionary