to call someone over the telephone

(informal) one's own mother

honorific prefix to make a word polite

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

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

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.