sore spot

基本解释

Moscow's plan to help build the plant has been a sore spot in US – Russia relations.
莫斯科帮助伊朗修建核电站的计划是俄美关系中的一个摩擦点。
On my sole previous visit, the masseuse immediately found my sore spot, put her finger on it and said, "Pain."
这家按摩院既合法又上乘，我曾去过一次，当时一位女按摩师迅速找到了我的痛处，她把手指放在我疼痛的部位，说：“疼。”
bbs.translators.com.cn
Mama touched my sore spot, that I think I have healed the wounds, but over time, and I did not notice their existence.
妈妈触到了我的痛处，那个我以为已经愈合了的伤口，只是时间久了，我没留意而已。

For contrarian investors, this could be a sore spot, as it creates the potential for downgrades.
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The next sore spot for the semiconductor sector rests with flash-memory specialist SanDisk.
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This is a major sore spot for China because it views green tech as one of its core and most innovative developing markets.
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