Dead letter
死信, 形同虚设的规定\\n[法] 无法投递函件
🧩 词语组成解析
dead
[dɛd]
adj. 死去的;完全的;无感觉的;呆板的;
adv. 完全地;非常;绝对;极度;
n. 死者;（死一样的）寂静;极寒时候;
letter
['lɛtɚ]
n. 信;证书，许可证;字母，文字;字面意义;
vt. 用字母标明;写字母于;加标题;
vi. 写印刷体字母;
🗣️ 情景例句
He made up his mind to give up smoking.
他下决心戒烟。
Beware of a silent dog and still water.
警惕无声之狗会咬人，平静之水会覆舟。
There was some confusion about our last shipment.
上一批货把我们搞得迷迷糊糊。