要想知道图像是真还是假，我们必须将其与实在进行比较。

In order to discover whether the picture is true or false we must compare it with reality.

youdao

霍华德：这个主意不赖。我们真应该做到滴水不漏，必须确定数量足够发给每位潜在顾客。

Howard: That's a good idea. We should really cover all the bases and make sure we have enough for every possible customer.

youdao

我们必须询问她是否真来了。

We must enquire whether she really came.

youdao

我们必须看看其他的实验，来揭开外表吸引力的真面纱，了解为什么它能促使男女双方继续交往？

And we have to start to look at other experiments to try to get at what is it about physical attractiveness? That makes people want to pursue the relationship?

youdao

所以，我们必须根据真敬拜者的榜样，坚持、并承认真理。

It is necessary therefore to confess and cling to the Truth, according to the model of true worshippers.

youdao

但是，有时他会给我们讲一些不现实的事情，因此，我们必须加以分析takeitwithagrainof salt，那就是说，我们也不能对他所说的事情全部信以为真。

So we had to take it with a grain of salt. That is, we could not believe everything he told us.

youdao

但是，有时他会给我们讲一些不现实的事情，因此，我们必须加以分析takeitwithagrainof salt，那就是说，我们也不能对他所说的事情全部信以为真。

So we had to take it with a grain of salt. That is, we could not believe everything he told us.

youdao