decayed tooth / cavity

dreaming, daydreaming / having an ambition

to dream, to daydream / to have an ambition

being something that has no heart, as a plant or rock / unreservedly asking people for money / (Buddhism) setting free one's mind from distracting thoughts

beg someone for

innocence; having not a care in the world / imprudence or lack of judgment; naïveté / lack of sophistication; innocence

a numberless quantity; an infinite quantity

Kyūjitai form of 無数 (“innumerable; countless”)

office

an aerosol / (more specifically) the particles that make up an aerosol