Make hay while the sun shines.
기회는 있을 때 잡아야지.

you've been wanting to see.
John : Wow! Really? When is it?
May : This Friday at 6 pm! We can meet right after you finish work.
John : Oh， no. I can't make it then. I've got to be in a meeting with the executives Friday. It's about a huge contract we've been working on. I'm sorry， May.
May : Come on， John. Don't be such a wet blanket! I know that you really wanted to see this.
John : I do! But I have to be there. If it works out well， I could get a promotion next month. We can go see the play next time…
May : But， John， you always say that and next time never comes. You're still young. Make hay while the sun shines!
John : That's what I'm saying， May. I really should take this opportunity or it won't come again!

you've been wanting to see.
John : Wow! Really? When is it?
May : This Friday at 6 pm! We can meet right after you finish work.
John : Oh， no. I can't make it then. I've got to be in a meeting with the executives Friday. It's about a huge contract we've been working on. I'm sorry， May.
May : Come on， John. Don't be such a wet blanket! I know that you really wanted to see this.
John : I do! But I have to be there. If it works out well， I could get a promotion next month. We can go see the play next time…
May : But， John， you always say that and next time never comes. You're still young. Make hay while the sun shines!
John : That's what I'm saying， May. I really should take this opportunity or it won't come again!