Idiom
To plough the sands

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

ANSWER DOWNLOAD EXAMIANS APP

Idiom
Will o' the wisp

Anything which eludes or deceives
To have desires unbacked by efforts
To act in a foolish way
To act in a childish way

ANSWER DOWNLOAD EXAMIANS APP