Mettle



noun
1.
(courage or strength or character spirit, courage, ardor on one's mettle prepared to do one's best) សេចក្ដីក្លៀវក្លាហាន, ចិត្ដមុត, ចិត្ដនិងចិត្ដដាច់មេត្ដា
ENGLISH MEANING
noun
1.
Substance or quality of temperament; spirit, esp. as regards honor, courage, fortitude, ardor, etc.; disposition; -- usually in a good sense.