try your wings
try (one's) wings (out)
To use a skill that one has only just learned. Now that I'm a licensed driver, it's time for me to try my wings and hit the open road! Go ahead, try your wings out—I want to see the new move.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
try your wings
If you try your wings, you try to do something new to find out if you can succeed. A good school should encourage you to try your wings. He was very keen to try his wings and be a deputy on his own.
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012