AT ONE'S BECK AND CALL

разг. наготове , готовые действовать по малейшему знаку We are not used to calling on our neighbors for a needed screw or a helpful look-see for the ailing lawn mower when the carpenter and the gardener are at one's beck and call. — Нам не нужно обращаться к соседям за пилой или просить их починить старую газонокосилку, когда плотник и садовник всегда наготове и ждут приказаний.

or[at the beck and call of] {adj. phr.} Ready and willing to do whatever someone asks; ready to serve at a moment's notice. * /A good parent isn't necessarily always at the child's beck and call./

or[at the beck and call of] {adj. phr.} Ready and willing to do whatever someone asks; ready to serve at a moment's notice. * /A good parent isn't necessarily always at the child's beck and call./