Ah Qiang lives in the big city and struggles to take care of his mentally unstable mother and his 5-year-old sister, Hui Shan. When a speeding car kills Hui Shan in an accident, Ah Qiang is desperate to claim his sister's body. Unfortunately, he can't prove his relation with Hui as she was never registered at birth. Ah Qiang's mother is no help given her condition. Ah Qiang is forced to face this predicament on his own. 要么跳下去，要么就好好坐着。。两种结局。没有拍出真正底层的人生。「first观影」从干渴开始在雨中结束。《分贝人生》：生活，你不知道的悲苦。并没有出口。没有分贝的人生。超过短评字数了，哈哈。。。。《分贝人生》当被贴上贫穷标签之后，人生还剩什么？。分贝人生。 生长在大城市贫困区的阿强，因为一场交通意外，不仅失去了妹妹的生命，更衍生出来自贫苦环境的压力而造就的社会问题。（via 第二十届上海电影节市民观影手册）
