"Bear in mind" means to keep something in your mind, remember it, or consider it when making a decision or thinking about a situation. It's a way of saying that you should take a particular piece of information into account.

This phrase is an idiomatic expression used to remind someone to consider or remember something important while thinking about a situation or making a decision. It emphasizes the need to keep certain information or factors in consideration.

For example:

Bear in mind that the weather can change quickly in this region, so be prepared for all conditions.

Bear in mind that we have a tight deadline, so we need to work efficiently.

When planning your route, bear in mind that there may be heavy traffic during rush hour.

There are several variations and similar phrases that convey a similar meaning, such as:

• Keep in mind
• Remember