w razie czego 英語で:

Take a map just in case.

I always wear bulletproof vest, just in case I was shot at.

I think he will remember, but I'll call him just in case

We took some extra clothes with us just in case

We still have plenty of time but let's take a taxi just in case.

Take an umbrella just in case. It might rain later.

I do not switch off my mobile phone, just in case.

Every passenger should read the safety instructions just in case.

I'll take a raincoat just in case, it might rain later.

I wanted to be prepared, just in case.