私いくつに見える？って英語でなんて言うの？

Both these phrases make it clear you want to them to judge your age on your looks alone as sometimes we also guess age based on a persons emotional maturity and physique.

Take a shot means guess.

Any of these expressions is adequate.

Both How old would you say I am? and How old do you think I am? asks the person to tell you how old they think you are.

Guess my age? asks the person to estimate how old they think you are.

How old you you think I am?
'you'
- this implies that the question is directed at someone specific

You are looking for one person's opinion

Example
A: John!
B: Yes, Susan.
A: How old do you think I am?
B: 27
__
How old do I look?
This can be used when asking a specific person or asking a group of people.

Example
A: How old do I look?
B: You look like you could be 30
C: I think you look younger than that

You can use the following :
"Guess my age."
"How old do I look?"
"How old do you think I am?"

Hello Nob :-) I hope this helps!

A) How old do you think i am ?

B) Can you guess how old i am ?
Definitions
*Guess- estimate
Example - Guess what i bought you

Both of these sentences would be suitable to use when wanting someone to guess how old you look :-)

It's not always a good idea to ask someone, How old do you think I look? because you could get offended by what they say. It's also a risky situation if a girl asks you, Can you guess how old I am?