技巧

It takes skills to repair electric facilities.

Practice gives a wonderful facility.

He possesses astonishing skills in calligraphy.

artistic craftsmanship

marketing/reading skills

literary craft

negotiating tactics

knack for cooking

cinematic/platform techniques

operative skills

display consummate skills; have great technical skills

be out of practice

exert/use skill (in doing sth)

be deficient in skill

show off one's skill

acquire a skill

display/show marvellous skills (at/in doing sth)