Also, put one's hand to. Apply oneself to, begin working at, as in Next she turned her hand to starting her dissertation, or He was so lazy he wouldn't put his hand to anything. [c. 1700]
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.