"burned to a cinder" in Chinese (Simplified)
烧成灰烬
Definition
完全烧焦，只剩下黑色烧焦的残渣。常用来形容被严重烧焦的食物，也可描述任何被完全烧毁的东西。
Usage Notes (Chinese (Simplified))
多为口语，常描述食物严重烧焦，也可形容彻底烧毁的东西。和“烧成灰烬”类似。表达失望或做错事时常用。
Examples
The toast was burned to a cinder and I had to throw it away.
面包片已经**烧成灰烬**了，我只好扔掉。
She left the pizza in the oven until it was burned to a cinder.
她把比萨饼忘在烤箱里，已经**烧成灰烬**了。
My cookie is burned to a cinder and tastes horrible.
我的饼干已经**烧成灰烬**，味道很糟。
By the time I remembered the chicken, it was burned to a cinder.
等我想起烤鸡时，它已经**烧成灰烬**了。
Those marshmallows weren't just toasted—they were burned to a cinder!
那些棉花糖不仅烤过头，简直**烧成灰烬**了！
The documents were burned to a cinder in the accident, so nothing could be recovered.
事故中文件全部**烧成灰烬**，没法挽回。