(idiomatic) to do one's best; to do something to the best of one's ability

the best

reception of customers, clients, or guests / treatment or compensation of employees, especially in the form of salary

receive customers, clients, or guests / compensate employees

(honorific) guest, visitor

To exhaust; deplete; use up. / serve, assist

to do to exhaustion, to do something completely

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

(polite) first-person singular pronoun: I, me

a personal or private matter / (by extension) selfishness