| 释义 |
on mettle on (one's) mettleDetermined to succeed and thus prove one's worth, often in a difficult or unpleasant situation. I know my employees think I'm too young to be their supervisor, so I have to be on my mettle every day at the office.See also: mettle, on on (one's) mettle Prepared to accept a challenge and do one's best.See also: mettle, on |