chance it - Phrases/Idioms
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Take the risk or hazard of, as in I don't know if there's a later bus but let's chance it. The verb to chance alone was so used for a time, as in Let's just chance the rain—I'm not buying a new umbrella! [Late 1800s] Also see take a chance.