mettle

勇气、胆识、骨气正式

The young firefighter showed real mettle during the rescue.

那位年轻消防员在救援过程中展现了真正的胆识。

毅力、韧性

Three weeks in the mountains tested the team's mettle.

在山区的三个星期考验了队员的毅力。

证明实力、展现真本事

She proved her mettle by finishing the project alone.

她独力完成这个专案，证明了自己的实力。

全力以赴、严阵以待

The tough questions from the audience put him on his mettle.

听众的犀利问题让他不得不全力以赴。