They need to make large yet vague promises to do this.

他们需要做出宏大而模糊的承诺来做到这一点。

But experts pointed out that Kim had made only vague promises of the kind that Pyongyang had violated multiple times before.

然而，专家指出，金正恩只做出了模糊的承诺，且在此之前朝方曾多次违背类似承诺。

Personal hygiene products mainly just offered these vague promises.

个人卫生用品主要只是提供这些模糊的承诺。

He left with vague promises on his lips, and, once on the train, rejoiced that he had not told her his real name.

他离开时嘴里含糊地许下诺言，一上火车，他就庆幸自己没有告诉她自己的真名。

Mr. Lighthizer, who recently brokered the new North American trade deal, is a longtime critic of China's trade practices and has repeatedly cautioned Mr. Trump not to accept vague promises that fail to materialize.

最近促成了新的北美贸易协定的莱特希泽对中国的贸易行为一直持批判态度，他还多次警告特朗普不要接受不能兑现的含糊承诺。