Answer:
1. I have keys but no locks.
I have a space but no room.
You can enter, but can't go outside.
What am I?
im a comp student so the riddle might be lame lol :'D
Your question is very vague and therefore hard to understand but I would assume you are asking for the explanation of the pun.
This phrase is a pun because skiers ski down slopes, and going down hill is another way of saying not going very well. Old skiers never die, they just go down hill is a pun because skiers go down hills.
Answer: A kind of cliche person and likes to over exaggerate.
Explanation: