"Last year, a tear of acacia didn't reach my cheek." Who can tell me what this means?

Meaning: The tears in your eyes last year have just flowed to the lower part of your face this year.

This is an allusion that brother and sister make fun of each other. Su Dongpo joked about her sister's long face, saying that she "shed a tear of lovesickness last year, and it only flowed to her cheeks this year".

Su Shi was a literary leader in the mid-Northern Song Dynasty, and made great achievements in poetry, ci, writing, calligraphy and painting. Vertical and horizontal text; Poetry has a wide range of themes, fresh and healthy, uses exaggerated metaphors and has a unique style. Also known as "Su Huang" with Huang Tingjian. Ci is an uninhibited school, and Xin Qiji is the representative of the uninhibited school, also known as "Su Xin"; Prose writing is rich and unrestrained, and he is also called "Ou Su" with Ouyang Xiu, and is one of the "Eight Masters in Tang and Song Dynasties". Su Shi's good book, one of Song Sijia; He is good at literati painting, especially ink bamboo, strange stones and dead wood.