The event requires formal attire, such as a suit or a gown.

正式：活动需要正式服装，例如西装或礼服。

I would say that maybe a formal business attire is a little bit much for just sitting in your house taking the call.

我想说，也许穿着正式的商务装只是坐在家里接电话有点过头了。

Nothing good could come of our formal attire, of that I was sure. Unless… but I was afraid to put my suspicions into words, even in my own head.

我没法从我们的正式着装上猜出什么好事情来，这点我很肯定。除非… … 但我不敢把我的怀疑说出口，甚至不敢自己想一下。

He also happens to have a taste for clothes and style, in general, and because of that, he wears a typically formal attire which gives him the illusion of charm and trustworthiness.

一般来说，他也恰好对衣服和风格有品味，正因为如此， 他穿着典型的正装， 这让他产生了魅力和值得信赖的错觉。