polishing / Short for ネイルポリッシュ (neiru porisshu, “nail polish”).

every week; weekly

(cosmetics) nail polish

車: car; wheel

(chiefly women's speech) first person singular pronoun: I, me

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

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

to call by phone

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

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