Let's learn about "저 몇 살이게요?"

저 몇 살이게요? : How old do you think I am I? try to guess

A) 몇년 생인데? : What year were you born?

B) 한 번 맞혀보세요. 저 몇 살이게~요? : Try to guess. How old do you think I am I?

* 저 : I (honourific word)

* -가 : a particle makes 저 the topic of the sentence after a word ends in a vowel; this omitted

* 몇 살 : How old <--- 몇(how; what) + 살(age)

* -이다 : be

* -게요? : Do you think? (with the nuance of "Try to guess" <-- 게(guess; conjecture) + -요(an honouricic ending suffix)

* 몇년 : (1) [연대] what year (2) [햇수] how many years, several years

* 생 : birth

* 이다 : be

* 인데 : 이(the stem of 이다) + -ㄴ데(a non-honourific  interrigative verb ending suffix has a nuance of hesitation to say)

* 몇년 생

* 맞히다 : (답을) guess right, guess correctly, make a good guess

* 맞혀보다 : try to guess

* 몇 살이니, 얘야? : How old are you, son?

* 그얘들은 몇 살이죠? : How old are they?

* 당신 조카는 몇 살이에요? : How old is your nephew?

* 몇 살 같아요? : Guess how old I am / How old do I look?