dip one's toes into

Also, get one's toes into or wet. Begin to do something novel or unfamiliar, as in I have been dipping my toes into Asian cooking, or She's eager to go to Europe and has been getting her toes wet by getting travel information. [Late 1900s] Also see get one's feet wet.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.