Let's learn aboug "체력이 안 좋아"

체력이 안 좋아 = 체력이 좋지 않아 : I’m out of shape

[other expressions]

- 체력이 안 좋다. (to younger people or friends)

- 체력이 안 좋네. (to younger people or friends)

- 체력이 안 좋아. (to younger people or friends)

- 체력이 안 좋네요. (honourific by '요')

- 체력이 안 좋아요. (honourific by '요')

- 체력이 안 좋습니다. (formal; more honourific by '스')

- 체력이 좋지 않다. (to younger people or friends)

- 체력이 좋지 않네. (to younger people or friends)

- 체력이 좋지 않아. (to younger people or friends)

- 체력이 좋지 않네요. (honourific by '요')

- 체력이 좋지 않아요. (honourific by '요')

- 체력이 좋지 않습니다. (formal; more honourific by '스')

[explanations]

* 체력 : [體力] physical strength; stamina; the strength of one's body

- 체력의 양성 : physical training / development of physical strength

- 체력을 기르다 : build up one's physical strength / strengthen one's body

- 체력이 있다[없다] : have[lack] physical strength

- 체력이 쇠약해졌다 : I don't have as much stamina as I used to

* -이 : a particle make 체력 subjective after a word ends in a consonant

* 안 : this equal to "not" in English

* 좋은 : good

* 좋다 : be good

* 좋지 : 좋(the stem of 좋다) + -지(a connection suffix makes a verb negative meaning before a verb means negative nuance)

* 않다 : [Pronunciation: 안타] be not

* 좋습니다 : 좋(the stem of 좋다) + 스(a suffix makes a verb honourific) + -ㅂ니다(an honourific descriptive verb ending suffix)

* 않습니다 : 않(the stem of 않다) + 스(a suffix makes a verb honourific) + -ㅂ니다(an honourific descriptive verb ending suffix)

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

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

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