proficiency

US /prəˈfɪʃ.ən.si/

UK /prəˈfɪʃ.ən.si/

1.

khả năng, năng lực, tài năng

a high degree of competence or skill; expertise.

:

•

he demonstrated his proficiency in Chinese

:

skill expertise experience ability capability capacity competence competency adroitness excellence mastery prowess professionalism aptitude dexterity finesse facility effectiveness accomplishment aptness talent know-how

:

incompetence