We are out to lunch to some sentence.

我们出去吃午饭了。

So if you are " out to lunch" , you're not actually out eating lunch somewhere.

所以如果你“出去吃午饭”，你实际上并不是在外面吃午饭。

One of them is " out for lunch, " the other one is " out to lunch" .

其中一个是“out for lunch”，另一个是“out to lunch”。

And if you're " out to lunch" , you -- not -- you are not paying attention.

如果你“出去吃午饭”，你——不是——你没有注意。

So if you were " out to lunch" , it means that you weren't paying attention or your mind was in a different place, okay?

所以如果你“出去吃午饭”，那就意味着你没有集中注意力， 或者你的思绪在不同的地方， 好吗？

On June 5, at exactly 2: 20, when two of the four guards were out to lunch, the three suspects moved toward the entrance of the bank.

在六月五日下午两点二十分整, 当银行四个警卫中的两个人外出午餐的时候, 这三名嫌疑犯走向银行的入口.

" To be out to lunch" can mean the same as to be out for lunch – not to be in your office, for example, or not to be available because you are eating your mid day meal, your lunch.

“出去吃午饭” 可能意味着与出去吃午饭的意思相同——例如， 不在办公室， 或者因为你正在吃中午的饭菜，午餐而没有空。