Idiom
At one's beck and call

To be always at one's service
To be under one's subjugation
To be in an advantageous position
Enjoying oneself without caring for others

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Idiom
To plough the sands

To work hard to achieve one's aim
To afford hope or ground for expecting a good result
To advance one's position in life
To busy oneself in a way which cannot lead to any profitable result

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