" To dress down" is a two-word phrasal verb meaning to dress casually.

“To dress down”是一个双词短语动词，意思是随意穿着。

If you want to dress down the suit even more, try it with a chartreuse colored knit tie and a purple boutonniere.

如果你想让西装更显低调，不妨搭配黄绿色针织领带和紫色胸花。

Now, Mr Carson, no-one disputes your position as head of this household, but I'm not sure that you're entitled to dress down Mrs Patmore in this way.

卡森先生，没人否认你在这家的地位，但我想你不该用这副口气跟帕特莫太太说话。

Now executive men in more traditional offices are figuring out how to dress down but still look professional, and those at tech firms are growing up and wondering how to dress up but still look cool.

如今，在比较传统的办公室里，男高管们正在琢磨着如何在穿着休闲的同时，又不失专业风范。而科技公司的高管们正在成长，他们在思考如何在穿着正式的同时，又不失酷感。