出处：按学科分类—语言、文字 中国对外翻译出版公司《汉英成语词典》第251页（225字）
用威胁的手段，逼取他人的钱财，例这些平实的商家终日受到流氓恶棍的敲诈勒索，真是苦不堪言。
These ordinary merchants are being constantly blackmailed and extorted by those ruffians and are really in a fix as to what to do．