How to Say “Keep in Mind” in Japanese: A Comprehensive Guide

Learning how to say “keep in mind” in Japanese is essential for effective communication and understanding. Whether you want to express this phrase in a formal or informal setting, we’ve got you covered in this comprehensive guide. Additionally, we’ll also explore some regional variations, but only when necessary. So, let’s dive in and discover various ways to express “keep in mind” in Japanese!


Formal Ways to Say “Keep in Mind”

When communicating in formal Japanese, it’s important to choose the appropriate expressions. Here are several formal ways to convey “keep in mind”:

  • 忘れずに覚えておいてください (Wasurezuni oboete oite kudasai): This phrase directly translates to “please remember without forgetting.” It conveys the idea of keeping something in mind and is commonly used in formal situations.
  • 意識しておいてください (Isshiki shite oite kudasai): This expression means “please be conscious of” or “please keep in mind.” It emphasizes the importance of maintaining awareness and understanding.
  • 心に留めておいてください (Kokoro ni tomete oite kudasai): Here, the phrase “心に留める” (kokoro ni tomeru) means to “keep something in mind or heart.” Adding “おいてください” (oite kudasai) makes it a polite request, equivalent to saying “please keep it in mind.”

Informal Ways to Say “Keep in Mind”

In more casual or informal settings, there are different expressions you can use to convey the idea of “keep in mind.” Here are a few examples:

  • 忘れずに覚えておいてね (Wasurezuni oboete oite ne): This phrase is similar to the formal expression mentioned earlier, but uses the informal particle “ね” (ne) at the end. It adds a friendly tone and is commonly used among peers and friends.
  • 意識しておいてよ (Isshiki shite oite yo): This version is more casual and suitable for close acquaintances. The use of “よ” (yo) at the end adds a nuance of familiarity and closeness.
  • 忘れずに念頭に置いておいてくれ (Wasurezuni nentō ni oite oite kure): If you want to have a slightly stronger emphasis, you can use this expression. While it can still be considered casual, it carries a sense of earnestness and highlights the notion of keeping something in mind.

Regional Variations

While the previous phrases can be understood throughout Japan, there are some regional variations to express “keep in mind.” Here are a couple of examples:

Kansai Dialect:

覚えといてや (Oboetoi te ya): This expression is commonly used in Kansai, the region around Osaka and Kyoto. By using “や” (ya) at the end, which is a typical Kansai sentence-ending particle, it conveys a strong request or reminder.

Hokkaido Dialect:

忘れんといてよ (Wasuren toite yo): Hokkaido, the northernmost region of Japan, has its own dialect. In this variant, “んといて” (n toite) replaces “ずに” (zuni) and “よ” (yo) is added at the end for a friendly tone.


Examples and Usage

Now that we’ve covered various ways to say “keep in mind” in Japanese, let’s explore some examples and their correct usage:

  • Example 1:

    A teacher reminding students of an important rule:
    忘れずに覚えておいてください (Wasurezuni oboete oite kudasai).

  • Example 2:

    A friend telling another friend to keep something in mind:
    忘れずに覚えておいてね (Wasurezuni oboete oite ne).

  • Example 3:

    A manager reminding their team of an upcoming deadline:
    意識しておいてください (Isshiki shite oite kudasai).

  • Example 4:

    A parent advising their child to keep important information in mind:
    心に留めておいてください (Kokoro ni tomete oite kudasai).


In conclusion, expressing “keep in mind” in Japanese is crucial for effective communication. Whether you are in a formal or informal setting, there are numerous ways to convey this idea while maintaining politeness and the appropriate level of familiarity. Don’t forget to practice these phrases and pay attention to their usage in different contexts. With time and patience, you’ll become more proficient at incorporating “keep in mind” into your Japanese conversations. Best of luck with your language journey!

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