Select the most appropriate meaning of the given idiom.

In hot waters

To be in trouble

The most appropriate meaning of the idiom "in hot water" is to be in trouble.

It is a colloquial expression that means to be in a difficult or dangerous situation. It is often used to describe someone who has done something wrong or who is in danger of being punished.

The other options are incorrect:

• To dip in hot water: This is the literal meaning of the idiom, but it is not the most common or idiomatic meaning.
• To be in a hot climate: This is not the same as being in hot water.
• To feel relaxed: This is the opposite of being in hot water.