skill and clumsiness; quality of execution
Refers to the degree of skill or quality in a performance, work, or technique, often implying a comparison between good and bad execution. Common in evaluative contexts.
You can tell the quality of the work at a glance.
The quality of a work depends not only on technique but also on sensibility.
The skillfulness of cooking is often determined by how the ingredients are handled.
This contest doesn't care about your skill level.
Regardless of skill level, every participant received a prize.
上手 is an adjective describing that someone is good at something, while 巧拙 is a noun naming the abstract scale of skill from good to bad.
下手 is an adjective meaning someone is poor at something, while 巧拙 is a noun that covers the whole range from skilled to unskilled.
拙劣 shares the kanji 拙 with 巧拙 but means only 'clumsy/poor', while 巧拙 is a neutral noun covering both good and bad skill.
Compound of 巧 (skillful) and 拙 (clumsy), forming a word that expresses the range or degree of skill.