The phrase "going through fire and water" is an idiom that is usually used to describe the experience of going through a difficult or trying situation. Synonyms for this phrase include enduring, persevering, facing adversity, braving the storm, weathering the storm, overcoming obstacles, and enduring hardship. Other similar expressions are standing firm during adversity, rising to the challenge, bearing the burden, and working through the tough times. No matter which expression you choose, the meaning remains the same: facing and overcoming difficult situations to come out stronger and wiser on the other side.