gonna = am going to, a = going to (i’m a = i’m going to)

gotta = have got to,

wanna = want to,

dunno = don’t know,

gimme = give me,

lemme = let me,

gotcha = got you,

letcha = let you, 

betcha = bet you,

outa = out of,

c’mon = come on,

ya = you,

kinda = kind of,

lotsa = lots of,

lotta = lot of,

helluva = hell of a,

yeah/yep = yes,

nope/naa = no,

betcha = bet you,

dunno = don't know,

A.D. = anno Domini (in the year of the Lord) - после Рождества Христова,

B.C. = before Christ - до Рождества Христова,

C.E. = Common Era - наша эра, 

B.C.E. = before the Common Era - до нашей эры,

circa = около, приблизительно,

a.m. = ante meridiem - до полудня,

p.m. = post meridiem - после полудня,

e.g. = exempli gratia — к пpимеpу,

i.e. = id est — т.е.,

viz = videlicit — а именно,

etc. = et cetera — и так далее.