"Rough sledding" is a phrase used to describe a difficult or challenging situation. There are several synonyms that can be used to express the same idea. One term that holds a similar meaning is "tough going," which portrays an arduous undertaking. Another phrase that embodies this concept is "an uphill battle," emphasizing a tough climb to achieve success. "Rocky road" is another idiom that conveys a challenging journey, particularly one that involves unexpected difficulties. Additionally, "troubled waters" may be utilized to describe a situation that is characterized by instability, unrest, and turbulence. In short, there are various ways to express the idea of challenging circumstances, all of which can be used in lieu of or in conjunction with "rough sledding".