walk on eggs直译为：在鸡蛋上面行走，真实含义是谨慎小心地行事；如履薄冰。

【例句】
I was walking on eggs when I told her the truth.
当我告诉她真相时，真是如履薄冰。

My boss is so strict that we have to walk on eggs around him.
我老板很严格，以至于我们在他身边总是战战兢兢，小心翼翼的。