poison-pen letter
noun [ C ] uk/ˌpɔɪ.zənˈpen ˌlet.ər/ us/ˌpɔɪ.zənˈpen ˌlet̬.ɚ/
恶意中伤的信;匿名诽谤信
a letter in which very unkind or unpleasant things are written about the person it is sent to, in order to offend or upset them
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。