我是柠檬满是心凉
[wŏ shì níng méng măn shì xīn liáng]
This can be translated as 'I am filled with bitter jealousy'. 'Lemon' in Chinese context often means 'sour' or 'jealousy', suggesting that the person feels sour or cold-hearted because of certain emotions, possibly from being jealous or envious.