Of all the citrus fruit the lemon is quite sour and bitter to taste. So, it is often used in negative expressions in the English language. This phrase wants us to find optimism in the face of adversity by suggesting that if life puts you in a difficult situation or gives you bad luck, try to turn it into something positive or to your advantage.
>Make the best out of a difficult situation
>Turn something negative into a positive
>Make something sweet out of something bitter
>Embrace life in whatever form
>Look on the bright side of life
Example
As the company recorded rlowet profitabliy , he felt that life gave him lemon but he has decided to make lemonade out of it.