a grip of steel的意思|示意

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A grip of steel是一个习惯用语，它指的是坚强的把握力或把持能力。这个习语常常描述一个人在特定情况下集中精力，并保持清醒。他或她可以被比喻为有一只“钢铁般的把握力”。

例句：

1. When the pressure was on, she maintained a grip of steel, focusing on the problem until it was resolved.

2. He held onto his dreams with a grip of steel and never gave up, despite all the setbacks.

3. The captain of the ship held the helm with a grip of steel, making sure the ship stayed on course.

4. She's held onto her principles with a grip of steel, never wavering in the face of criticism.

综上所述，A grip of steel通常指一个人在重大场合时，能够牢牢把持住自己的想法和信念，始终如一地做出正确的决定，并在不断的努力下取得成功。