/fʌk maɪ ˈsɪstər/
冒犯性短语，字面意为‘和我妹妹发生性关系’，通常用作侮辱或表达愤怒
记忆技巧
Extracted Tip
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例句
He shouted 'fuck my sister!' after stubbing his toe, though it made no logical sense. (他撞到脚趾后大喊‘fuck my sister！’，尽管这话毫无逻辑)