Declines an incoming DCC Chat or Send offer. If a |nickname| is not specified, the last offer that arrived will be declined. You can also use a regular expression for <nickname>.
拒绝接入 DCC 聊天或发送提议。如果 |nickname| 未指定，最后到达的提议将被拒绝。您还可以对 <nickname> 使用正则表达式。