This is the technique of using your opponents young age to say that he is not qualified.
Answer:
"Please be quiet" is more appropriate.
Add-on:
sorry if that was no use to to you at all.
I agree with the other person that answer but they googled it and found the answer on chacha. no problem with that. but i found it too. but i cant to put the same answer so i have the same answer as that person.:)
Answer:
if i won a lottery, i would buy a new house
Explanation: