day job

英 [ˈdeɪ dʒɒb]

美 [ˈdeɪ dʒɑːb]

n. 日常的有薪工作; (白天的)正职

习惯用语

don't give up the day job

别放弃白天的正职（别放弃老本行去尝试没有把握的新事物）
used to tell sb that they should continue doing what they are used to, rather than trying sth new which they are likely to fail at
So you want to be a writer? Well my advice is, don't give up the day job.
这么说你想成为一个作家了？得了，我劝你不要放弃老本行。

牛津词典

noun

日常的有薪工作；（白天的）正职
the paid work that sb normally does

柯林斯词典

PHRASE 不要放弃正职
If someone tells younot to give up the day job, they are saying that they think you should continue doing what you are good at, rather than trying something new which they think you will fail at.
1. It's a kind way of telling aspiring novelists, 'Don't give up the day job'.
  这是劝诫立志成为小说家者“不要丢了正业”的一种温和方式。

双语例句

Of course, I have a day job too.
当然，我也有日常工作。
Notch quit his day job and founded a studio, mojang, which now employs over 30 people.
切口先生辞掉了工作，创办了一个叫Mojang的工作室，现在它已经有了30多个员工。
Nothing wrong with thinking about the future, but some enterprise architects have got a day job as well.
思考将来没有错，但是某些企业架构师也已经找到了一份日常工作。
Career is not just your day job anymore& career is how you spend all your time.
职业生涯不只是你的日常工作了职业生涯是如何，你都用你的时间。
I want to do my day job on my beautiful toys.
我想用我那些精致的小玩意工作。
Trying lots of different things, while holding on to his day job, led him to come up with a formula: every skill you acquire doubles your chances of success.
亚当斯尝试了很多不同的事物，同时不放弃自己的日常工作，这使他得出了一则公式：你获得的每一种技能可以让你成功的机会增加一倍。
Like the others, his main reason for attending the training session is to help his day job.
米德沃斯来上这门课的主要原因与其他人一样，都是为了方便自己的日常工作。
Besides, if you are an investment banker, you already know all about price manipulation, brand hype and market panic from your day job.
不过，如果你是一位投资银行家，在日常工作中就应该已经对价格操纵、品牌造势和市场恐慌了如指掌。
Partly it is because my dream is an addition to what I do already: I have not given up the day job.
部分原因在于，我的梦想是我所做事情的附加品：我没有放弃我的日常工作。
Eventually he managed to line up a few retailers to stock the loom, and quit his day job.
终于，吴昌俊说服了几家零售商购买彩虹织机，然后他辞去了工作。