be on mettle

be on your mettle

(slightly formal)

to be determined to prove that you are good at something, especially in a difficult situation It's a tough interview - you'll have to be on your mettle.

Common Names:

Name	Pronounced	Usage
KatÓ	-	Hungarian
Hyram	HIE-rəm	English (Rare)
Jonathan	['dʒɔnəθən]
Kaj (2)	KIE	Swedish (Rare)
Tsholofelo	-	Southern African, Tswana
Honour	AHN-ər	English (Rare)