to suffer or endure hardship or humiliation, as in the expression 含辛茹苦 hán​xīn​rú​kǔ

Any of various herbaceous plants of the genus Polygonum; commonly found near water, many varieties have spicy-tasting leaves used for seasoning or medicine.

to inquire after someone's well-being; to send regards; to pay a visit

(bound form) suffering; hardship; difficulty; pain