Don't lose hope, don't give up your life.

　　不要失去希望，不要放棄你的生活。

　　But I don't think you should lose hope.

　　但我認為你不該失去希望。

　　He didn't lose hope though he had failed twice.

　　盡管失敗了兩次，他仍未失去希望。

　　If we lose hope, our life will be meaningless.

　　如果我們失去了希望，我們的生命就會(huì )暗淡無(wú)光。

　　The school motto is 'Never lose hope.'

　　這所學(xué)校的格言是'永不氣餒'。