1. 熟练/灵巧/机敏：adroitly /熟练地/敏捷地/ | adroitness /熟练/灵巧/机敏/ | adscititious /外加的/

noun

1. skillful performance or ability without difficulty

e.g. his quick adeptness was a product of good design
he was famous for his facility as an archer

Synonym: adeptnessdeftnessfacilityquickness