School life, we have to treat people good faith, usually classmates, friends, contacts, always be disloyal to keep their promises.

学习生活中我们要诚信待人，平时和同学、朋友交往，总是做到讲信用守承诺。

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If the fort were attacked when Lincoln was ostensibly only supplying it with provisions, Northern opinion could be swayed to support an all-out attack on the "disloyal" states.

在外界看来当林肯给要塞供给给养时，如果要塞遭到攻击，北方舆论将彻底倒向支持对这些“背信弃义”州邦进行全力反击。

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Be brand disloyal.

别对品牌死忠。

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But at least Rhodri has invented a soundbite that explains why this would not be disloyal.

ECONOMIST: Dear Worried of Westminster

They give legitimacy to political opposition, which might otherwise be branded as disloyal.

BBC: Reservists' rebellion highlights cracks

Workers who opt for it do not seem to be seen as disloyal.

ECONOMIST: Still work to be done