blow the cobwebs away
US /bloʊ ðə ˈkɑbˌwɛbz əˈweɪ/
UK /bloʊ ðə ˈkɑbˌwɛbz əˈweɪ/

1.
기분 전환하다, 머리를 맑게 하다
to do something that makes you feel more active and awake, especially after a period of inactivity or rest
:
•
Let's go for a walk to blow the cobwebs away.
기분 전환하러 산책 가자.
•
A good run in the morning always helps me to blow the cobwebs away.
아침에 조깅을 하면 항상 기분 전환이 돼.