你即將離開本站

並前往https://www.italki.com/post/question-330890?hl=zh-tw

Which preposition goes after the word "proficient"? In Oxford ...

In Oxford Dictionary, I see two examples with two prepositions after "proficient". Coula anyone tell me in which case we use each of them?

確定！ 回上一頁

查詢 「Proficient in or at」的人也找了：

  1. proficient in用法
    2.
  2. Proficient in or at
    3.
  3. Proficiency in
    4.
  4. Proficient level
    5.
  5. proficient in中文
    6.
  6. Proficient in English
    7.
  7. Highly proficient
    8.
  8. Proficient noun
    9.