“itchy feet”别理解成“脚很痒”，其正确的含义是开始渴望旅行（或换个事做）；漫游的渴望；旅行的渴望。

【例句】
I hated living in London, and I started getting itchy feet.
我讨厌住在伦敦，我开始渴望旅行。

It's been five years since I travelled abroad – I'm getting itchy feet.
我上一次出国旅游已经是五年前的事了，现在我真的想出去转转。