in like a lion out like a lamb
사자처럼 왔다가 양처럼 간다. 3월의 변덕스러운 날씨를 이르는 말
The weather in March was varied, but in general it came in like a lion, and out like a lamb
a spring in one's step
I bet you'll have a spring in your step after I tell you this bit of good news!
I can’t focus on this lesson at all because I have spring fever.
So you're no spring chicken.
spring to life
The party sprang to life after midnight.
Hope springs eternal
사람들은 결코 희망을 버리지 않는다
She's sure that he'll come back to her one day. I'm not so sure, but hope springs eternal.