a piece of furniture

英語で家具は　a piece of furniture, two piece of furniture と数える。だたし、まったく　furnitures と言わないわけではない。0:35 every piece of furniture in this show apartment we've created has been bespoke and handmade. このモデルルームの家具はどれも特注品で手作りです。

The £12million apartment with Harrods on speed-dial

1:01 a piece of furniture 家具ひとつ

Could online shopping soon cost more?

1:18 there were very expensive pieces of furniture. 多くの高級家具があった。

Texas doctor found shot and stabbed to death in his own home: Part 2

4:25 these pieces of furniture right here were hand-me-downs when the office that Michael worked in had to downsize. ここの家具はマイクの会社が要らないものを捨てた時にもらったものです。

How these penny-pinchers retired in their 30s

参考リンク
http://bridge-english.blogspot.com/2013/06/blog-post_4415.html  芸術品を英語でなんと言うか？