with a grain of salt是什么意思

with a grain of salt

有保留地；持怀疑态度；半信半疑地

双语例句：

1.

This is why you should take the advice of one person with a grain of salt.

这就是为什么你要带着怀疑的态度去接受一个人的意见的原因。

2.

We also do not take for granted the optimization of code by design and we take it with a grain of salt every time somebody tells us how good JVMs are now at optimization and garbage collection.

我们并不认为仅仅通过设计就能得到优化的代码，每当有人说起现在的JVM在优化和垃圾收集方面有多么棒时，我们都对其持保留态度。