Let's learn about "4시쯤에 전화로 예약했어요"

4시쯤에 전화로 예약했어요 : I made a reservation by phone around 4; I called around 4 to make a reservation; I booked a table around 4 on the phone.

ex)

A. 언제 예약하셨다고 하셨죠? : When did you make the reservation again?

B. 4시에 전화로 예약했어요 : I called around 4 to make a reservation.

A. 아, 전화로 하셨다고요? : So it was done by phone?

[other expressions]

- 4시쯤에 전화로 예약했어요. (honourific by ‘-요’)

- 4시쯤에 전화로 예약했네요. (honourific by ‘-요’)

- 4시쯤에 전화로 예약했습니다. (formal; more honourific by ‘-스’)

[explanations]

* 7 시 : seven o'clock

* -쯤 [=경] approximately; about; around

* -에 : a time suffix means "at"

* 전화 : [電話] a telephone; a phone; a phone call;  a ring; a cell phone; a mobile phone

* -로 / -으로 : as; by

* 전화로 : by phone

* 예약[豫約] : preengagement; precontract; booking; reservation; subscription; a pledge; an advance sale; contract

* 예약하다 = 예약을 하다 : make a reservation

* 예약했다 : past tense of 예약하다 by '-었-'

* 예약하시다 : an honourific form of 예약하다 by '-시-'

* 예약하셨다 : past tense of 예약하시다 by '-였-'

* 예약했습니다 : 예약했(the stem of 예약했다) + -스(a suffix makes a verb more honourific) + -ㅂ니다(an honourific descriptive verb ending suffix by '-ㅂ')

* a verb + -ㄴ다 / -네 / -어 / -아 : a non-honourific descriptive verb ending suffix

* a verb + -군! / -구나! : a non-honourific exclamatory verb ending suffix

* a verb + -네 / -어 / -아 / -군! + -요 : an honourific verb ending suffix

* a verb + -습니다 / -ㅂ니다 : an honourific descriptive verb ending suffix by '스-' / '-ㅂ’

* 언제 : when

* 예약하셨다고 : 예약하셨(the stem of 예약하셨다) + -다고(An expression used to pass along what the speaker heard from another person, or to present the subject's thoughts, opinions, etc: 다른 사람에게서 들은 내용을 간접적으로 전달하거나 주어의 생각, 의견 등을 나타내는 표현)

* 하다 : (1) do (2) speak; tell; say in the sentence

* 했다 : past tense of 하다 by '-었-'; 하 + -었 contracted into 했

* 하셨다 : an honourific form of 했다; 하(the stem of 하다) + -시(a suffix makes a verb more honourific) + -였(a suffix makes a verb past tense) + 다(a non-homoirific descriptive basic verb ending suffix)

* 하셨죠? : a short form of 하셨지요?

* 하셨지요? : 하셨(the stem of 하셨다) + -지(an interrogative verb ending suffix) + -요(an honourific ending suffix)

* 아 : Oh

* 하셨다고요? : 하셨(the stem of 하셨다) + -다고?(an interrogative verb endig suffix; An expression used to pass along what the speaker heard from another person, or to present the subject's thoughts, opinions, etc: 다른 사람에게서 들은 내용을 간접적으로 전달하거나 주어의 생각, 의견 등을 나타내는 표현) + -요(an honourific ending suffix)