take life in hands
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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.
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.
take (one's) life in (one's) hands
To take a dangerous risk.