ここまで計画したのに、今更やめるって言わないでよ。

here (place physically close to the speaker, place pointed by the speaker while explaining); this place; these last (followed by a duration noun and a past sentence: time period before the present time of the speaker); these next ... (followed by a duration noun and a non past sentence: time period after the present time of the speaker); the next ...

until (a time); till; to; up to; to (a place); as far as; to (an extent); up to; so far as; even; only; merely

plan; project; schedule; scheme; program; programme

although; when; and yet; despite this; in spite of; even though; but even so; but even then; however; nevertheless; for all that; notwithstanding that; while; if only; I wish; I tell you; you should do; in order to

now (after such a long time); at this late hour (i.e. it is too late for something); afresh; anew; again

to stop (an activity); to cease; to discontinue; to end; to quit; to cancel; to abandon; to give up; to abolish; to abstain; to refrain

casual quoting particle; indicates supposition; if ... then; indicates a rhetorical question; indicates certainty, insistence, etc.

to say; to utter; to declare; to name; to call; to go (e.g. "the alarm went ping"); to make a noise

indicates certainty, emphasis, contempt, request, etc.; used when calling out to someone; used to catch one's breath or get someone's attention; yo!