as dead as a herring字面意思死得像鲱鱼一样僵硬，引申为被彻底废弃的。

【例句】
Marley was as dead as a doornail.
老马利已经死定了。

The newly planted trees will be as dead as a dodo if frost hits them.
新栽种的树如果被霜冻侵袭，那就死定了。