Read Edit View history 黑函 hēihán poison pen letter Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 黑函 · hēihán · poison pen letter 2026/03/04 黑函 hēihán poison pen letter An anonymous letter containing malicious accusations or threats (Taiwanese usage). 選舉期間，候選人常受到黑函攻擊。 noun created sense Mar 4, 2026, 02:25 AM