形容人的时候,意思是久已离世的,死了好久的.

Old Gert's been dead and gone for quite a spell.

When I'm dead and gone, I hope folks remember me at my best.


2. [of a thing] gone long ago.

形容事情的时候,意思是被人遗忘的,湮没无闻的.

That kind of thinking is dead and gone.

The horse-and-buggy days are dead and gone.