鬱結

to suffer from pent-up frustrations / mental knot / emotional issue

surname Yu

dense (growth) / melancholy

(bound form) (of vegetation) lush; luxuriant / (bound form) melancholy; depressed

(of a plant) to produce (fruit or seeds) / Taiwan pr. [jie2]

knot / sturdy / bond / to tie / to bind / to check out (of a hotel)