達到專業該有的水準
把「以此維生」的那一側當成標準：做得像靠這行吃飯的人一樣好，或者乾脆就是交給那樣的人做。
skillfully; competently · r · B1
In a way that shows the skill and care of someone properly trained.
專業地；內行地
核心畫面
Everything this word does hangs on one line — the line between what you do for a living and everything else. Say something happened on the work side of that line, and you get 'in my job'. Say it was done to the standard of that side, and you get 'skilfully'. Say the person crossed the line from hobby to paid work, and you get 'as a career'.
這個字所有的用法都掛在同一條線上——「以此維生」和「其他」之間的那條線。說某件事發生在工作那一側，就是「工作上」；說…更多收起
這個字所有的用法都掛在同一條線上——「以此維生」和「其他」之間的那條線。說某件事發生在工作那一側，就是「工作上」；說某件事做得有那一側該有的水準，就是「很內行」；說一個人從興趣跨到了那一側，就是「以此為業」。From the picture
Also in this word
in a professional capacity · r · B1
As part of your job or work, not your private life.
工作上；職業上
as a paid job · r · A2
As a paid job, not only for fun or as a hobby.
職業地；以…為業
原始詞典資料2 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。
professionallyadv
- 1
As a professional; for one's paid career.
- Steve Davis plays snooker professionally.
- 2
In a professional manner.
- You handled that customer's complaint very professionally.
- There is no precredit compassion expressed in “Side Street”: In place of Ray’s protective, implied narrator there is the professionally gruff voice of Paul Kelly, an actor who specialized in coldly professional New York City police detectives.
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。