proficiency

/prəˈfɪʃnsi/ (bre, ipa) · /prəˈfɪʃnsi/ (ame, ipa) · /prə-ˈfi-shən(t)-sē/ (ame, mw)

proficiency — noun

1. a high standard of ability in a particular activity, achieved through training o

1.名詞B2
釋義

a high standard of ability in a particular activity, achieved through training or practice

例句

After living in Osaka for two years, Yuki achieved a level of proficiency that impressed the whole team.

proficiency + in + language/field

The engineering firm requires proof of proficiency in three different software programs.

proficiency + in [software/field]

同義詞
  • skill

    broader term covering any learned ability, not necessarily a high standard

  • expertise

    implies deeper, more specialized knowledge than proficiency

  • competence

    refers to being adequate or meeting the minimum standard, not necessarily a high one

  • mastery

    a higher level than proficiency — near-perfect command

反義詞

文法句型

proficiency + in + noun/gerund

proficiency + at + noun/gerund

proficiency + as + noun

用法筆記

An uncountable noun — you cannot say 'a proficiency' or 'proficiencies' in standard English. The most common preposition is 'in' (proficiency in mathematics), but 'at' is also used before gerunds (proficiency at playing chess).

常見錯誤

❌I have a good proficiency in English.
✅I have a good command of English.' or 'I have a high level of proficiency in English.
💡Proficiency already implies a high standard, so modifiers like 'good' or 'high' can feel redundant. The common phrase is 'a high level of proficiency'.