a. 有技巧(制作精巧)

[ noun ]
the state of being cognitively skillful
<noun.cognition>

Skillful \Skill"ful\, a. [Written also skilful.]
1. Discerning; reasonable; judicious; cunning. [Obs.] ``Of
skillful judgment.'' --Chaucer.

2. Possessed of, or displaying, skill; knowing and ready;
expert; well-versed; able in management; as, a skillful
mechanic; -- often followed by at, in, or of; as, skillful
at the organ; skillful in drawing.

And they shall call the husbandman to mourning, and
such as are skillful of lamentations to wailing.
--Amos v. 16.

Syn: Expert; skilled; dexterous; adept; masterly; adroit;
clever; cunning.
※ -- {Skill"ful*ly}, adv. --
{Skill"ful*ness}, n.