1. A gradual or sudden decrease in a person's ability, skills, or expertise in a particular area or field
The athlete experienced competency decline after the injury.
O atleta experimentou um declínio de competência após a lesão.
2. A reduction in professional or technical capabilities, often due to lack of practice, aging, or changing circumstances
Competency decline in software development can occur without continuous learning.
O declínio de competência no desenvolvimento de software pode ocorrer sem aprendizado contínuo.