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