to nourish a viper in one's bosom
01
养虎为患, 帮助忘恩负义的人
to support or take care of someone who turns out to be untrustworthy or harmful, despite one's good intentions
习语
例子
He nourished a viper in his bosom by trusting that dishonest partner.
他信任那个不诚实的伙伴,简直是养虎为患。



























