n. 熟练

[ noun ]
skillful performance or ability without difficulty
<noun.cognition>
his quick adeptness was a product of good designhe was famous for his facility as an archer

Adroitness \A*droit"ness\, n.
The quality of being adroit; skill and readiness; dexterity.

Adroitness was as requisite as courage. --Motley.

Syn: See {Skill}.