Throw somebody to the wolves
Definition 1 of 1
Pro Tip 1/3Negative Connotation
Indicates betrayal or neglect, often seen as a harsh or unjust action. 
He felt his colleagues threw him to the wolves during the meeting.
Pro Tip 2/3Difficult Circumstances
Used when someone is left to deal with tough situations without support. 
Without training, the new hire was thrown to the wolves.
Pro Tip 3/3Survival Imagery
Evokes the idea of being left in a dangerous situation, like among predatory animals. 
In the jungle of high school politics, freshmen are often thrown to the wolves.