Walking on Eggshells
Meaning:
A situation where you have to be extremely cautious.
Example:
Dealing with the media is like walking on eggshells, anything you say might be interpreted wrongly.
Did you know?
A synonym for ‘walking on eggshells’ is ‘walking on thin ice’.
Reference: http://www.collinsdictionary.com/dictionary/english/walk-on-eggshells