The new sales team proved its mettle by closing three major deals during the downturn.

新的業務團隊在景氣低迷期間談成三筆大案子，證明了他們的膽識。

Handling angry customers all week really tested Kevin's mettle, but he stayed calm.

整週應付憤怒的客戶真是考驗凱文的勇氣，但他始終保持冷靜。

The airline crew showed their mettle when the storm forced an emergency landing in Denver.

暴風雨迫使班機在丹佛緊急降落時，機組人員展現了他們的膽量。