put your hand to the plough
put (one's) hand to the plough
To set to work; to begin or get busy working. (Spelled "hand to the plow" in American English.) Primarily heard in UK. We've spent a long time planning our business model and strategy for success; now it's time to put our hand to the plough and get things moving. My father loves his work; even after retiring, he still puts his hand to the plough with various projects.
put (or set) your hand to the ploughembark on a task.
This phrase alludes to Luke 9:62: ‘And Jesus said unto him, No man, having put his hand to the plough, and looking back, is fit for the kingdom of God’.