on the side

• 非正式表达，指在主要活动、工作或收入之外额外附加的；常用于描述额外的收入来源或主菜之外的配菜。

An informal phrase meaning in addition to one's main activity, job, or income; often used to describe a secondary source of money or an extra accompaniment to a meal.

1. In addition to the main activityB1informal

   Something done as an extra or secondary activity, often to earn extra money.

   副业

   • He works as a teacher, but he also does freelance writing on the side.
   • She sells handmade jewelry on the side to make extra cash.
   • I do some consulting work on the side of my regular job.

2. A2informal

   Referring to food that is served separately from the main dish.

   单独供应

   • I'd like a burger with fries on the side, please.
   • The salad is served with dressing on the side.
   • He ordered steak with a baked potato on the side.

3. Secretly or discreetlyB2informal

   Doing something in a hidden or secretive manner, often involving a romantic relationship.

   暗地里

   • He was seeing another woman on the side.
   • She had a small business on the side that her boss didn't know about.
   • They were meeting on the side to avoid suspicion.