the result, effect, consequence / the performance, the accomplishment, the achievement

(rare) bear fruit

experimental results

to endeavor, to make an effort

an effort, an endeavor

certain, definite

certain, clear, without a doubt / secure, reliable, able to be trusted completely

if I remember correctly, in my memory, probably but not totally sure.

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

maybe, probably