请保证包装可以适合长途海运。

Please see to it that the packing is suitable for a long sea voyage.

youdao

我们会晚点儿到，请保证我们的预订。

Please guarantee our reservation for late arrival.

youdao

在你还车之前，请保证把汽车上的污垢洗掉。

Before you return the car, make sure you wash the dirt off it.

youdao

OK, important -- if you are part of this group here think about it and make sure you understand that.

好的，这很重要，如果刚才你选了可逆过程,请好好想想并且保证已经理解了这个问题。

麻省理工公开课 - 热力学与动力学课程节选

If you're wondering what's OK or what's not OK, it's very clearly written out in this handout, so make sure you read through it, because it is your responsibility to make sure that your calculator does not have anything extra programmed in it.

如果你不清楚什么可以什么不可以，讲义上写得很清楚，所以请大家务必看完它，因为你有义务保证,在自己的计算器里,没有编上额外的程序。

麻省理工公开课 - 化学原理课程节选