We can say that the outfit fits like a second skin.

我们可以说这套衣服很贴身（like a second skin）。

I wanted to have a lot of gold, and he created this second skin.

我想要很多金子，于是他创造了第二层皮肤。

At the same time, a second skin layer called the pupal cuticle forms underneath the first.

同时，在第一层皮肤下面形成称为蛹角质层的第二层皮肤。

My skin has been really dry so for foundation, I'm using the second skin foundation from 100% pure in the shade NO. 2.

我的皮肤非常干，所以底妆用到的是100%pure 2nd foundation，2号色。

It's essentially a second skin that they glue onto me so it's not actually done with paint, it's done with prosthetics, so you definitely feel enclosed.

这本质上是他们粘在我身上的第二层皮肤，所以它实际上不是用油漆完成的，而是用假肢完成的，所以你肯定会感到被包围。

Our skin fits tightly on our bodies. It holds in important things while keeping out harmful things. So, we can use a " skin" expression to describe very tight clothing. We can say that the outfit fits like a second skin.

我们的皮肤都是紧紧地贴在身体上。在储存重要物质同时，它也阻挡着有害物质。所以我们可以用" skin" 来表示非常紧身的衣服。我们可以用第二身皮肤来形容衣服。