Let’s learn about "이해가 안 돼”

(난) 이해가 안 돼 : I don’t understand

[other expressions]

- (난) 이해가 안 된다. (to younger people or friends)

- (난) 이해가 안 되네. (to younger people or friends)

- (난) 이해가 안 되는데. (to younger people or friends)

- (난) 이해가 안 돼. (to younger people or friends)

- (전) 이해가 안 되네요. (honourific by ‘-요’)

- (전) 이해가 안 되는데요. (honourific by ‘-요’)

- (전) 이해가 안 돼요. (honourific by ‘-요’)

- (전) 이해가 안 됩니다. (formal; honourific by ‘-ㅂ’)

[explanations]

* 난 : a short form of 나는

* 전 : a short form of 저는

* 나 : I (non-honourific to younger peoloe or friends)

* 저 : I (honourific to the elderly)

* -는 : a particle makes 나 / 저 subjective after a word ends in a vowel

* 이해 : understanding

* -가 : a particle makes 이해 the topic of the sentence after a word ends in a vowel

* 안 : not; this is equal to "not" in English

* 되다 : (1) become (2) can

* 안 되다 : can’t

* 이해가 안 되다 = 이해를 못 하겠다 : I can’t understand

* -를 : a particle makes 이해 objective after a word ends in a consonant

* 못 : not

* 하다 : do

* 하겠다 : 하(the stem of 하다) + -겠(one’s will; one’s conjecture) + -다(a descriptive basic verb ending suffix)

* 못 하겠다 : can’t

* 돼 : 되(the stem of 되다) + -어(a non-honourific descriptive verb ending suffix)

* 됩니다 : 되(the stem of 되다) + -ㅂ니다(an honourific descriptive verb ending suffix)

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

* a verb + -네 / -는데 / -어 + -요 : a non-honourific verb ending suffix

* a verb + -ㅂ니다 : an honourific descriptive verb ending suffix by ‘-ㅂ’