adjective
if a part of your body is sore, it is painful, and often red, especially because of infection or because a muscle has been used too much （发炎）疼痛的；酸痛的
~ (at sb/about sth) (informal, especially NAmE) upset and angry, especially because you have been treated unfairly 气恼；愤慨；愤愤不平 SYN annoyed
He accused me of being a sore loser (= someone who does not accept defeat well).
noun
a painful, often red, place on your body where there is a wound or an infection 痛处；伤处；疮 SYN wound1
open sores
开放性溃疡