我保证来年之前我们将解决这个问题。

I pledge that by next year we will have the problem solved.

条约声明放弃使用武力，并保证两国将进行合作。

The treaties renounce the use of force and pledge the two countries to co-operation.

我保证我会坚持到底。

I promise I am in this for the long haul.

为了保证安全，门总是锁着的。

For reasons of security the door is always kept locked.

我保证能马上给你弄份三明治。

I'm sure I can rustle you up a sandwich.

该国并未保证禁用化学武器。

The country has not forsworn the use of chemical weapons.

我们曾尽力保证每个人都受到公平待遇。

We tried to ensure that everyone got a fair deal.

他们无法保证政权的顺利交接。

They could not ensure a smooth transfer of political power.

他们要求得到某些保证后才签署条约。

They are demanding certain guarantees before they sign the treaty.

我们不能保证我们的所有航班均不误点。

We cannot guarantee our flights will never be delayed.

我向你保证这种事不会再次发生。

I give you my word that this won't happen again.

这些规定是为了保证每个人的安全和快乐。

The rules are there to ensure everyone's safety and enjoyment.