来杯柠檬水加醋你要的是心酸吗
[lái bēi níng méng shuĭ jiā cù nĭ yào de shì xīn suān ma]
Here’s a glass of lemonade plus vinegar, you want to feel heartache? It’s a creative metaphor expressing the feeling of bitterness in life or in romantic affairs. People might go through hardships intentionally just to seek for such feelings (usually in an emotional sense).