1、Hoover has become a household word for a vacuum cleaner through the world
在世界各地，家家戶戶都知道胡佛已成了吸塵器的代名詞。

2、Coca cola is a household word throughout the world
可口可樂是個全世界都家喻戶曉的詞。

3、Hoover has become a household word for a vacuum cleaner through the world.
在世界各地，家家戶戶都知道胡佛已成了吸塵器的代名詞。

a household word翻譯