of steel
成語所屬單字steel
of steel — 慣用語
1. Having a very strong, firm, or determined character or quality.
1.慣用語
釋義
鋼鐵般的
Having a very strong, firm, or determined character or quality.
例句
The climber needed nerves of steel to cross the narrow bridge.
Her voice was calm, but I detected a hint of steel in it.