ˋmєtL; ˊmetl< met.tle >
1 勇气; 精神
a man of mettle 有勇气的人
2 本性; 性格; 气概
be on [upon] one's mettle
鼓起勇气; 奋发
put [set] a person on his mettle
使 (某人) 奋发; 激励 (某人)