mettle

• n. 勇気、気質、持久力

metalのスペル変化から。後に語彙の違いを生む。

mettle (n.)

1580s, variant spelling of metal, both forms used interchangeably (by Shakespeare and others) in the literal sense and in the figurative one of "stuff of which a person is made" (1550s) until the spellings and senses diverged early 18c.

1. The added competition keeps them on their mettle .

プレーオフは彼らに全力を尽くすようにさせる。

2.The next game will be a real test of their mettle .

次の試合は彼らの奮闘精神次第だ。

3.When the seas are in turmoil，heroes are on their mettle .

滄海横流、英雄らしさを見せる。

4.Each and every one of these soldiers has proved his mettle .

これらの戦士たちはみな良い。

5.It takes a man of mettle to keep a family safe and comfortable in this troubled world.

この不安定な世界では、勇敢な男だけが家族に安全と快適をもたらすことができる。