俚语foot-in-mouth disease的意思解释和用法例句

foot-in-mouth disease

用作名词的意思：（美国俚语）出言不当，说走嘴

用法及例句：
The President had another of his attacks of foot-in-mouth disease when he talked about “free?dom fighters. “总统在谈到”自由战士”时，又失言了。

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