曾经的誓言已成灰
[céng jīng de shì yán yĭ chéng huī]
This internet name expresses a sentiment of broken promises. 'Past vows have turned to ashes' signifies that previous pledges, especially in romantic or significant relationships, no longer hold any meaning. The speaker feels that something once sacred has now been utterly abandoned and forgotten, like vows turned to ashes.