Let's learn about "여긴 뭘 잘하나요?"

여긴 뭘 잘하나요? : What’s good here?; What’s your most popular dish?; What’s your specialty?

어떤 메뉴(를) 추천하시겠어요? : What would you recommend?

* 전문 / 특산품 : specialty

[other expressions]

- 여긴 뭘 잘하나요? (honourific by '-요')

- 여긴 뭘 잘해요? (honourific by '-요')

- 여긴 뭘 잘하는지요? (honourific by '-요')

- 여긴 뭘 잘하는가요? (honourific by '-요')

- 여긴 뭘 잘합니까? (formal; honourific by ‘-ㅂ’)

- 어떤 메뉴(를) 추천하나요? (honourific by ‘-요’)

- 어떤 메뉴(를) 추천해요? (honourific by ‘-요’)

- 어떤 메뉴(를) 추천하는지요? (honourific by '-요')

- 어떤 메뉴(를) 추천하는가요? (honourific by '-요')

- 어떤 메뉴(를) 추천합니까? (honourific by ‘-ㅂ’)

- 어떤 메뉴(를) 추천하세요? (formal; more honourific by ‘시’)

- 어떤 메뉴(를) 추천하셔요? (formal; more honourific by ‘시’)

- 어떤 메뉴(를) 추천하십니까? (formal; more honourific by ‘시’)

- 어떤 메뉴(를) 추천하시겠어요? (formal; more honourific by ‘시’)

- 어떤 메뉴(를) 추천하시겠습니까? (formal; more honourific by ‘시’)

[explanations]

* 여긴 : a short form of 여기는

* 여기 : here; this restaurant in the sentence

* -는 : a place suffix

* 뭘 / 무얼 : a short form of 무엇을

* 무엇 : what

* -을 : a suffix makes 무엇 objective after a word ends in a consonant

* 잘하다 : do well <-- 잘(well) + 하다(do)

* 해요? : 하(the stem of 하다; 하 + -어 contracted into 해) + -어?(an interrogative verb ending suffix) + -요(an honourific ending suffix) 

* 하는지요? : 하(the stem of 하다) + -는지?(an interrogative verb ending suffix) + -요(an honourific ending suffix)

* 하는가요? : 하(the stem of 하다) + -는가?(an interrogative verb ending suffix) + -요(an honourific ending suffix)

* 합니까? : 하(the stem of 하다) + -ㅂ니까?(an honourific interrogative verb ending suffix by ‘ㅂ’)

* 어떻다 : a short form of 어떠하다(be how)

* 어떤 : (1) [=무슨] what / what kind[sort] of / what ‥ like (2) [=여하한] any (3) [=어느] a certain; one; some

* 메뉴 : menu

* -를 : a suffix makes 메뉴 objective after a word ends in a vowel

* 추천 : [推薦] recommendation

* 추천하다 : recommend; propose; say[put in] a good word for ; [=지명하다] nominate

* 추천해요? : 추천하(the stem of 추천하다; 하+ -어 contracted into 해) + -어?(a non-honourific interrogative verb ending suffix) + -요(an honourific ending suffix)

* 추천하는지요? : 추천하(the stem of 추천하다) + -는지?(an interrogative verb ending suffix) + -요(an honourific ending suffix)

* 추천하는가요? : 추천하(the stem of 추천하다) + -는가?(an interrogative verb ending suffix) + -요(an honourific ending suffix)

* 추천합니까? : 추천하(the stem of 추천하다) + -ㅂ니까?(an  honourific interrogative verb ending suffix)

* 추천하세요? : 추천하(the stem of 추천하다) + -시(a suffix makes a verb more honourific) + -어?(an interrogative verb ending suffix) + -요(an honourific ending suffix)

* 추천하셔요? : 추천하(the stem of 추천하다) + -시(a suffix makes a verb more honourific) + -여?(an interrogative verb ending suffix) + -요(an honourific ending suffix)

* 추천하십니까? : 추천하(the stem of 추천하다) + -시(a suffix makes a verb more honourific) + -ㅂ니까?(an  honourific interrogative verb ending suffix)

* 추천하시겠어요? : 추천하(the stem of  추천하다) + -시(a suffix makes a verb more honourific) + -겠(a suffix asks rhe listener's will) + -어?(a propositive verb ending suffix means "Please ~") + -요(an honourific verb ending suffix)

* 추천하시겠습니까? : 추천하(the stem of  추천하다) + -시(a suffix makes a verb more honourific) + -겠(a suffix asks rhe listener's will) + -스(a suffix makes a verb more honourific) + -ㅂ니까?(an honourific propositive verb ending suffix means "Please ~")

* a verb + -니? / -나? / -냐? / -ㄴ가? / -는가 / -는지? / -어? : a non-honourific interrogative verb ending suffix

* a verb +  -나? / -ㄴ가? / -는가? / --는지? / -어? + -요 : an honourific verb ending suffix

* a verb + -세요? / -셔요? / -ㅂ니까? / -십니까? / -시겠어요? / -시겠습니까? : an honourific interrgative verb ending suffix by '-요' / ‘-ㅂ-‘ / '시'