(onomatopoeia) jinglingly, janglingly / (onomatopoeia) chatteringly, talkatively / (onomatopoeia, by extension from the idea of jingling coins) showily, frivolously, shallowly, superficially

代代: generation after generation / 大大: greatly; hugely; considerably

doing something for someone without them knowing

実に: indeed; truly; surely

(slang) very; extremely

実のところ: as a matter of fact; to tell the truth

逸早く, 逸速く:

Alternative spelling of 逸早く (ichihayaku): promptly, quickly, without delay; first, in advance (of others)

promptly, quickly, without delay / first, in advance (of others)

determinedly, with one's heart set on