Excepts a user from channel bans. A user's nickname may be specified, or a proper host mask can be used. Used without a nickname or mask, shows the list of exceptions currently in effect.
在频道禁令中排除某个用户。可以指定用户的昵称，也可以使用适当的马甲主机。如果不带昵称或马甲，则显示当前生效的排除列表。