Select the most appropriate meaning of the given Idiom:- "Leave no stone unturned"

Making best efforts in accomplishing something or doing hard work

The most appropriate meaning of the idiom "leave no stone unturned" is making best efforts in accomplishing something or doing hard work. This idiom comes from the literal meaning of the phrase, which is to search everywhere, even under stones, for something. In the same way, the idiom "leave no stone unturned" can be used to describe the act of making every effort to achieve something, even if it means going to great lengths.

The other meanings of the idiom "leave no stone unturned" are not as common. The meaning "turning of stones near river" is not associated with the idiom "leave no stone unturned" at all. The meaning "hard luck" is more likely to be expressed as simply "bad luck." The meaning "taking a beating" is not associated with the idiom "leave no stone unturned" at all.