Damocles
/ˈdæməkliːz/- a legendary courtier who extravagantly praised the happiness of Dionysius Ⅰ, ruler of Syracuse. To show him how precarious this happiness was, Dionysius seated him at a banquet with a sword hung by a single hair over his head.达摩克利斯（传说中的一位廷臣, 大肆赞美锡拉库萨统治者迪奥尼修斯一世的幸福; 为了向他表明这种幸福是何等岌岌可危, 迪奥尼修斯让他在一次宴会上坐于只悬于一根发丝的剑下）。
短语
sword of Damocles
- used to refer to a precarious situation达摩克利斯之剑; 临头的危险。