"the wrong side of the tracks" in Chinese (Simplified)
贫民区（字面：铁轨的另一边）
Definition
一个非正式表达，指城市里较贫穷或被认为地位低下的区域，人们认为那里机会更少。
Usage Notes (Chinese (Simplified))
这是俚语，常出现在小说、电影中。表达一种地区间的社会分化，有时带有贬义。正式场合不宜使用。
Examples
She grew up on the wrong side of the tracks.
她在**贫民区**长大。
People on the wrong side of the tracks often face more difficulties.
**贫民区**的人常常面临更多困难。
He was told not to go to the wrong side of the tracks at night.
有人劝他晚上别去**贫民区**。
She made it big even though she came from the wrong side of the tracks.
她虽然出生在**贫民区**，但取得了很大的成就。
They say love across the wrong side of the tracks is never easy.
有人说，来自**贫民区**的爱情从来都不容易。
Don’t judge someone just because they’re from the wrong side of the tracks.
不要只因为某人来自**贫民区**就评判他。