a subject or issue about which someone feels distressed or annoyed and which it is therefore advisable to avoid in conversation with them（谈话中应当回避的）痛处（或伤心事）
stand (或 stick) out like a sore thumb
be very obviously different from the surrounding people or things显得很不自然；与周围的人（或事物）格格不入
柯林斯高阶英汉双解学习词典释义
ADJ-GRADED
疼的;疼痛的
If part of your body is sore, it causes you pain and discomfort.
例句
It's years since I've had a sore throat like I did last night...我的喉咙已经好几年没有像昨晚那样疼了。My chest is still sore from the surgery.手术过后我的胸口还在作痛。
ADJ-GRADED
恼火的;恼怒的
If you are sore about something, you are angry and upset about it.
例句
The result is that they are now all feeling very sore at you...结果就是，现在他们都对你感到十分恼火。They are sore about losing to England in the quarter-finals.他们对在四分之一决赛里输给英格兰队这件事感到非常懊恼。
N-COUNT
皮肤发炎疼痛处;疮肿;溃疡
A sore is a painful place on the body where the skin is infected.
PHRASE
痛处;惹人生气的话题;令人难堪的话题
If something is a sore point with someone, it is likely to make them angry or embarrassed if you try to discuss it.
例句
The continuing presence of American troops on Korean soil remains a very sore point with these students.美国军队继续驻扎在韩国领土上这一事实仍然让这些学生深感气愤。
英汉词典释义
adj.
（发炎）疼痛的；酸痛的
Mary has a bad cold and sore throat.玛丽患了重感冒而且咽喉痛。His father's throat is a bit sore.他父亲的喉咙一直觉得痛。
使人伤心的
Losing the election was a sore disappointment.竞选失败令人痛心失望。
英英词典释义
Noun
1. an open skin infection
Adjective
1. hurting;
"the tender spot on his jaw"
2. causing misery or pain or distress;
"it was a sore trial to him""the painful process of growing up"
3. roused to anger;
"stayed huffy a good while"- Mark Twain"she gets mad when you wake her up so early""mad at his friend""sore over a remark"