Definition
To possess exceptional courage and composure, especially in dangerous or stressful situations.
非常勇敢
He has nerves of steel to stay calm during the stock market crash.
他在股市崩盘期间保持冷静，真是有钢铁般的意志。
Members of the bomb disposal squad must have nerves of steel.
拆弹小组的成员必须有钢铁般的意志。
She has nerves of steel to remain calm under such immense pressure.
她在如此巨大的压力下仍能保持冷静，真是有钢铁般的意志。