动词 code:

1. attach a code to

2. convert ordinary language into code

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1. All the tickets are coded.
   所有的票都使用了编码。
2. The coded message was indecipherable.
   这份用密码写的消息译不出来。
3. He had been sending coded messages to the enemy.
   他曾给敌军送过密信。
4. Her speech was a coded attack on the former leader.
   她的讲话是对前领导人的间接攻击。