dead letter

英 [ˌded ˈletə(r)]

美 [ˌded ˈletər]

n. 无人遵守的法律; 形同虚设的规定; 空文; 死信; 无法投递(或退回)的邮件

法律

牛津词典

noun

无人遵守的法律；形同虚设的规定；空文
a law or an agreement that still exists but that is ignored
死信；无法投递（或退回）的邮件
a letter that cannot be delivered to an address or to the person who sent it

柯林斯词典

N-COUNT 形同虚设的法律（或协议）；空文
If you say that a law or agreement is adead letter, you mean that it still exists but people ignore it.
1. No one does anything about it and the law becomes a dead letter.
  没有人执行它，该法律变成了一纸空文。

英英释义

noun

mail that can neither be delivered nor returned
Synonym:dead mail
the state of something that has outlived its relevance
Synonym:non-issue

双语例句

The key point in the property punishment is in the implementation. The property can not be executed is like a dead letter. While the main crux of the property punishment is that punishment is difficult to perform or not performed.
财产刑的关键在于执行，不能得到执行的财产刑判决无异于一纸空文，而财产刑的主要症结就在于难予执行或不执行。
Our appeal remained a dead letter.
我们的呼吁犹如石沉大海。
No one does anything about it and the law becomes a dead letter.
没有人执行它，该法律变成了一纸空文。
To reign in the late escape people basically disappeared, although the law did not escape were abolished, has lost its value and significance of its existence, become a dead letter.
到康熙中后期，逃人基本绝迹，逃人法虽未被废止，却失去了其存在价值和意义，成为一纸空文。
After the proposal was put forward it simply remained a dead letter.
建议提出后，却如石沉大海。
However, newly created queue managers are not configured to use a dead letter queue.
但是，新建队列没有配置为使用死信队列。
Rules and regulations, once set up, should not be turned into a dead letter. related to or involving literary fiction.
规章制度一经订立，不应成为一纸虚文。与文学虚构有关，或包含文学虚构。
The dispute between two countries was unavoidable because of its own deficiencies of the treaty, and the treaty became a dead letter.
由于禁酒条约自身的缺陷，两国难以避免地出现纠纷，禁酒条约也沦为一纸空文。
This is a dead letter, so I can not deliver it.
这是一封盲信，我没有办法投递。
For instance, we were using ActiveMQ when it did not have a strong dead letter processing capability.
例如，在ActiveMQ还没有一强大的死信处理能力的时候我们正在使用它。