3 sentences for 弱小 (ruò​xiǎo — vulnerable)

1. 社会应当关爱弱小群体。

   shè​huì yīng​dāng guān'ài ruò​xiǎo qún​tǐ.

   Society should care for vulnerable groups.

   Source: Dong Chinese Dictionary

2. 不要欺负弱小。

   bù yào qī​fu ruò​xiǎo.

   Do not bully the weak.

   Source: OpenSubtitles

3. 他始终怀着一种保护弱小的强烈责任感。

   tā shǐ​zhōng huái zhe yī zhǒng bǎo​hù ruò​xiǎo de qiáng​liè zé​rèn​gǎn.

   He has always felt a strong sense of responsibility to protect the weak.

   Source: Dong Chinese Dictionary