His school work is suffering because of family problems.

　　由于家庭問題，他的學(xué)業(yè)日漸退步。

　　Many children in the class suffered severe social and economic disadvantage.

　　班上許多孩子都來自社會地位低下經(jīng)濟困難的家庭。

　　Many people suffer from mental illness at some point in their lives.

　　許多人在人生的某個階段都會得精神病。

　　Are you suffering from an excess of stress in your life?

　　你生活中的壓力太大嗎？

　　He suffered loss of memory for weeks after the accident.

　　事故之后他有幾個星期失去記憶。