The expression "walking on eggs" refers to a situation where one needs to tread carefully and cautiously, as if they were walking on raw eggs that could easily crack. There are several other synonyms that convey a similar meaning, such as walking on thin ice, treading lightly, walking a tightrope, walking a fine line, and being on eggshells. Each of these phrases conveys a sense of delicacy, uncertainty, or danger, highlighting the need for careful and thoughtful behavior in certain situations. Whether navigating a difficult conversation or negotiating a challenging business deal, employing these phrases can help to convey the gravity of the situation and the importance of proceeding with caution.