get itchy feet
US /ɡɛt ˈɪtʃi fiːt/
UK /ɡɛt ˈɪtʃi fiːt/

1.
旅に出たくなる, 落ち着かなくなる
to start to want to travel or move to a different place; to feel restless and want a change
:
•
After a few years in the same job, he started to get itchy feet and looked for new opportunities.
同じ仕事に数年いた後、彼は旅に出たくなり、新しい機会を探し始めた。
•
She always gets itchy feet if she stays in one place for too long.
彼女は一箇所に長くいるといつも旅に出たくなる。