走散
zǒu sàn
to wander off
to stray; to get lost
walk (走) + disperse (散) = wander off and lose each other
散 combines flesh (⺼) and a striking hand (攵), evoking something being broken apart. Together with 走, the image is a group in motion that gets split and scattered along the way.
孩子在商场里和妈妈走散了。
hái zi zài shāng chǎng lǐ hé mā ma zǒu sàn le。
The child got separated from their mother in the shopping mall.
人群太多，我们很容易就走散了。
rén qún tài duō，wǒ men hěn róng yì jiù zǒu sàn le。
The crowd was so large that we got separated from each other very easily.