1·A government official disclosed that they were on a secret blacklist.
一位政府官员透露说，他们被列入了秘密黑名单。
—— 《柯林斯英汉双解大词典》
2·His family and friends had noticed this as well, but when they tried to get him to seek treatment, he just put them on his blacklist of people to avoid (and get even with).
他的家人和朋友也意识到了这一点，但是当他们试图让他接受治疗时，他把他们拉入黑名单，甚至报复他们。
3·If your neighbor ends up in a blacklist, you will too.
一旦你的邻居被拉进黑名单，你也无法幸免。
4·When a message is received by an MTA, a distributed blacklist filter is called to determine whether the message is a known spam.
当MTA收到一条消息时，会调用分布式黑名单过滤器来确定这条消息是否是已知的垃圾邮件。
5·The IWF's blacklist is used by the vast majority of British Internet service providers to maintain decency standards for their subscribers.
IWF的黑名单为绝大多数的英国互联网服务供应商所用，目的在于为其用户维护道德标准。