key

to leave a place / to go out / to come forth, to be or become apparent, to appear / to make an appearance, to appear / (by extension) to answer (the phone or door)

賭け: gambling, betting / 掛: credit / soba served in a hot soup

when it comes to... / in the filed of...

to call by phone

成り掛ける: to be on the verge, to be on the brink.

to address someone, to direct, to do (something to someone) / to be about to, to begin / in the middle of, to begin (not complete)

in front of, before, ago,

in front (of) / before (in time)

before / in front