癥結

hard lump in the abdomen (in Chinese medicine) / crux of an issue / main point in an argument / sticking point / deadlock in negotiations

abdominal tumor / bowel obstruction / (fig.) sticking point

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

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