Put/set/turn your mind to something
Definition 1 of 2
Pro Tip 1/3Metaphorical Use
The phrase suggests using your mind like a tool that can be directed at a task. 
I put my mind to solving the puzzle, ignoring all distractions.
Pro Tip 2/3Emphasizes Effort
It implies a deliberate and persistent effort towards a specific goal or activity. 
She can achieve great things if she turns her mind to her goals.
Pro Tip 3/3Time-bound Focus
Often used to imply concentration over a period of time until the goal is achieved. 
He put his mind to the task for three hours straight. 
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