For authorities, this proves the sarcophagus is airtight.

这对当局证明了石棺的密闭性。

I'm just not sure I was airtight morally.

我只是觉得道德上过不去。

Because your story has to be airtight if we put you on the stand.

因为如果要让你出庭，你的供词就必须无懈可击。

It's airtight, so it's tough if they're claustrophobic or vomiting or whatever.

它是密封的，所以如果他们有幽闭恐惧症或呕吐或其他什么，那就很难了。

They know all the reasons for failure and have what they believe to be airtight alibis to explain away their own lack of achievement.

他们知道所有失败的原因，并有他们认为无懈可击的托辞来解释自己缺乏成就。

Since Tupperware containers are airtight, this means that they can be used to store food and keep food fresh for a longer time.

由于特百惠容器是密封的，这意味着它们可以用来储存食物并长时间保持食物新鲜。