a grain (of rice); a drop (of rain)

useless, pointless; meaningless / wasteful

uselessness; no good; being in vain; futility / waste

grains / drop / counter for tiny particles

grain, bead, drop

counter for small round objects including grains, seeds, pills, drops

粒: grain, bead, drop / 螺: whelk

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

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend