念のため は、英語で Just in case
今回のネイティブフレーズは Just in case です。「念のために」とか「もしものために」「万が一に備えて」という意味です。
英語での定義 :To protect against something bad that could happen.

Just in case はよく使うフレーズなので覚えておきましょう。
Just in case の例文
念のため、もう一度それを確認してください。
We should check with boss, just in case.
Here’s my mobile number, just in case.
You should take an umbrella with, just in case it rains.
I am taking extra money with me, just in case.
I am going to backup these files again, just in case.
Here’s my address, just in case you get lost.
You should take some ID, just in case.
Make sure you take extra batteries, just in case.
Just in case you didn’t know, all staff have to attend the meeting this afternoon.
Just in case you forgot, Monday is a public holiday, so the office will be closed.
他の言い方
Just in case と同じような意味で使う他のフレーズを見ていきましょう。
Just to be on the safe side
例文
You should see a doctor just to be on the safe side.
You should have your lawyer go over this contract just to be on the safe side.
Just to make sure/just to be sure
確認のために、というニュアンス
例文
I’ll check with my Dad just to be sure.
I’ll double-check just to make sure everything is OK.
For peace of mind
例文
Installing a security system in your home will give you greater peace of mind.
For your peace of mind, I recommend you take out travel insurance.

