音便: a euphonic change (in the pronunciation of a word); euphony

穏便: gentle; quiet; amicable; peaceful; safe

the usual, ordinary

bear in mind / try, endeavor, intend

always, invariably, all the time / usually / (with a negative verb) never

(Japanese phonology and phonetics) euphony

gentle; quiet; amicable; peaceful; safe

correspondence to / (computing) compatibility / dealing with

to correspond to / to respond, to keep up with

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