Yī xiǎngqǐ wǎngshì, tā biàn jiǔhuícháng, nányǐ rùmián.
Whenever the old days came to mind, his insides churned and he couldn't sleep.
Tips
culture
Chinese associates emotion with the gut rather than the heart: 肠 (intestines) is the seat of grief. 断肠 = heartbroken, 九回肠 = guts churning nine times over. Feng Yansi's ci line 九回肠，双脸泪 paired the image with streaming tears.
