The two giant pandas will be on show from 2017 to 2019 to confirm our long term conversation partnership promise between China and Canada.

这两只大熊猫将于2017年至2019年展出，以确认我们对中加长期对话伙伴关系的承诺。

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The meaning of the verb tantalize is a very particular one, "to promise or show something desirable to a person and then take it away; to tease by arousing hope."

动词 tantalize 的意思非常特殊：“承诺或展示某人想要的东西，然后把它拿走；通过唤起希望来挑逗。”

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But you need to show him. Promise me.

但你一定要表现给他看，答应我。

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The show had 22 nominations, but failed to live up to its promise.

VOA: standard.2009.09.21

But the problem of one's being called to be a great poet is that one may have an inkling or some sense of a promise of future greatness but nothing really to show for it yet.

但是一个人被召唤去变成伟大诗人的问题在于,他可能会有一丝感觉他将来必定是伟大的,但还没有什么能够真正表明这一切。

耶鲁公开课 - 弥尔顿课程节选

But he goes on to say that Burns is the perfect guy for pushing radical technology--and has given him uncommon institutional support, by promoting him to vice president and putting him on GM's most senior management team in 1998, about the time fuel cells were starting to show promise.

FORBES: Mr. Burns' Dilemma

Regardless of their differences in hardware approach, Google Wallet and Isis each are beginning to show promise in delivering something for consumers and merchants alike that shifts the focus from whether users are swiping, waving or tapping when checking out to the services delivered on top of the payment itself.

FORBES: The Value Of Mobile Payments Is Beyond Transactions

Google Wallet is the first mobile payments service to really show promise in adding capabilities like the above on top of a base payment platform by bringing their ecosystem of local services like Google Places and Offers into the fold.

FORBES: The Value Of Mobile Payments Is Beyond Transactions