1. on a whim 즉흥적으로; to do things spontaneously usually because of a sudden desire
or urge
I decided to go on a whim. It wasn't planned at all.
They went there on a whim. 그들은 충동적으로 그 곳에 갔다.
2. I'm beat. 난 지쳤어; to be extremely tired or worn out.
I have been studying for finals this weekend, so I'm beat.
3. to have butterflies in one's stomach. 조마조마하다. 두근거리다; to be nervous usually
due to excitement and anticipation over something.
How was your blind date this weekend?
I had butterflies in my stomach the moment I saw him.
4. home sweet home. 내 집이 최고; This is said when one is pleased to be back at one's
own home.
There is no place like home sweet home.
5. in one ear and out the other. 한 귀로 듣고 다른 귀로 흘리다; If something goes in one
ear and out the other, you forget it as soon as you've heard it because it was too
complicated, boring etc.
Did you understand today's lecture?
Well, I tried to pay attention but the words went in one ear and out the other.