丢了知画心
[diū le zhī huà xīn]
This could be interpreted as losing the heart/mind similar to 'Zhī Huà'. Without specific context, it likely refers to missing an important aspect of one's personality, akin to having misplaced one's wisdom or understanding heart, possibly referring to a famous novel or artwork related to '知画'. This implies feeling lost or yearning for something from the past.