To be so overwhelmed by worry or grief that one's vision becomes blurred and distorted, seeing colors incorrectly; to have one's perception impaired by excessive sorrow.
他因为连日劳心过度，终日茶饭不思，已然到了视丹如绿的地步。
He had been so worried and sleepless for days, losing his appetite, that his vision had become blurred.
Era:
Ancient
Frequency:
Next Idiom