work like a charm
Function very well, have a good effect or outcome, as in That knife-sharpener works like a charm, or Her deferential manner worked like a charm; he agreed to everything they'd asked for. This expression uses charm in the sense of “a magic spell.” [Mid-1800s] Also see work wonders.
Words nearby work like a charm
work force,
work function,
work in,
work it,
work like a beaver,
work like a charm,
work of art,
work off,
work on,
work one's fingers to the bone,
work one's way