to fall from the sky, to precipitate / (passive) to be hit by or caught in something falling head on.

sudden, abrupt, unexpected, improvised, offhand / suddenly serious (said of an illness; most often in the construction にわかになる (niwaka ni naru)) / temporary, makeshift, impermanent, ad hoc

to descend / to fall / to precipitate / to surrender

a relationship is stronger after conflict

rain / (figuratively) something falling like rain / (figuratively) favor, blessing

rain

the first sight of something / something seen for the first time

one should start a big project with immediate, practical steps; start small / the person who proposes something should be the first one to take practical steps to implement it

entreating the enemy to surrender

to entreat the enemy to surrender