Let's learn about "-(으)려고"

* -(으)려고 : (1) A connective ending used to indicate that one has an intention or desire of doing a certain act  (2) A connective ending used to indicate a change in a movement or state that is soon to happen (3) A sentence-final ending used to doubt a given situation and ask again about it

- See : -(으)려고 하다

- 그걸 할려고? / 그걸 하려고 : Do you do it?: to do that?

* -(으)려고요 : an honourific ending suffix form of -(으)려고

* - (으)려고 하다 : (1) An expression used to indicate that one has the intention or wish to do the act mentioned in the preceding statement (2) An expression used to indicate that the incident mentioned in the preceding statement is likely to happen or begin soon

- 그걸 하려고 하지 마라 : Don't try to do that

- 비가 오려고 해 : It's about to rain

* -(으)려고 들다 : An expression used to indicate that one is very eager to do a certain act mentioned in the preceding statement happen

- 그걸 하려고 들지 마라 : Don't try to do that

* 하다 : do

* 들다 : a feeling or thought arises (느낌이나 생각 따위가 일어나다)