take life in hands

take (one's or someone's) life in(to) (one's) (own) hands

To do or engage in something risky that could result in the loss of one's or someone else's life or livelihood. I felt like I was taking my life into my own hands climbing up the rickety old structure. Are you sure you trust these tour guides? They're taking our lives into their hands out here in the wild.
See also: hand, life, take
Farlex Dictionary of Idioms.

take someone's life in one's hands

Fig. to risk someone's life. If you go into the war zone, you will be taking your life in your hands. Ted didn't want to take his life in his hands by going there alone.
See also: hand, life, take
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

take (one's) life in (one's) hands

To take a dangerous risk.
See also: hand, life, take
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • take (one's or someone's) life in(to) (one's) (own) hands
  • take your life in your hands
  • cannot for the life of me/him/her/us/them
  • can't for the life of me
  • mix business with pleasure
  • give (one's) life
  • look on the sunny side (of life/things)
  • sunny
  • not give a stuff
  • the light of (one's) life