這個拼法底下其實是2個不同的字，意思沒有關係， 只是長得一樣。下面分開列出來。跳到 professional (player) · in favor of
pro
n, a核心畫面
Short for 'professional' — someone (or something) that does a thing for money and to a high standard, the opposite of doing it just for fun as an amateur.
這個 pro 可以想成是英文 professional（職業的、專業的）砍短後的口語形式。畫面比較像：一件事別人是當…更多收起
這個 pro 可以想成是英文 professional（職業的、專業的）砍短後的口語形式。畫面比較像：一件事別人是當興趣在玩，他卻是靠它領薪水、而且做得又熟又好——所以 pro 帶著「不是業餘、是吃這行飯的人」這種味道。底下不論當人、當形容詞，都是從這個「以此為業、夠專業」的影子長出來的。A second word, same spelling
pro
prep, n核心畫面
From Latin 'pro' meaning 'for / in favour of' — pointing to the side that supports something, the opposite of 'against'.
這個 pro 來自拉丁文 pro，意思是「為了、贊成、站在這一邊」，正好和 against（反對）相對。可以想成天平…更多收起
這個 pro 來自拉丁文 pro，意思是「為了、贊成、站在這一邊」，正好和 against（反對）相對。可以想成天平的一端：所有「支持、有利」的東西都堆在這一邊。它和表示「職業的」那個 pro 拼法一樣，但其實是完全不同來源的另一個字。原始詞典資料15 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
PROsymbol詞源 2
- 1
human-scienceslinguisticssciencesA theoretical phonologically null pronoun
- 2
Used to indicate personal pronoun in sign language glosses, e.g. PRO.1 or PRO-1 for the first person.
Proname
- 1
A surname from Spanish.
pronoun詞源 1/pɹəʊ/
- 1
An advantage of something, especially when contrasted with its disadvantages (cons).
- What are the pros and cons of buying a car?
- 2
A person who supports a concept or principle.
proprep詞源 1/pɹəʊ/
- 1
In favor of.
- He is pro exercise but against physical exertion, quite a conundrum.
pronoun詞源 2/pɹəʊ/
- 1
A professional sportsman.
- 2
Professional.
- When it comes to DIY, he's a real pro.
proadj詞源 2/pɹəʊ/
- 1
Professional.
- He landed a pro mentorship gig.
pronoun詞源 3/pɹəʊ/
- 1
slangA prostitute.
- 1974, "Fynn" (Sydney Hopkins), Mister God, This Is Anna Millie was one of the dozen or so pros who had a house at the top of the street.
pronoun詞源 4/pɹəʊ/
- 1
archaicslangA proproctor.
pronoun詞源 5/pɹəʊ/
- 1
historicalslangA chemical prophylaxis taken after sex to avoid contracting venereal disease.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。