Select the most appropriate meaning of the given idiom.

To go through fire and water

To pass through difficulties

The most appropriate meaning of the idiom "to go through fire and water" is to pass through difficulties. It is used to describe a situation where someone has faced a lot of challenges or hardships, but has persevered and come out the other side. For example, you might say "She's gone through fire and water to get where she is today" or "We've been through fire and water, but our friendship has only grown stronger."

The other meanings of the idiom are:

• To give a big success: to achieve a major accomplishment
• To maintain progress: to continue to make progress towards a goal
• To have better feeling: to feel better after being sick or feeling unwell