Baptism of fire
"Baptism of fire" in a Sentence (3 examples)
And the Father's counselor suggested that he invite you along to help: sort of a re–baptism of fire, so to speak.
Having to deal with a bomb scare on his first day was a real baptism of fire for John.
She sat down for four exclusive interviews over the course of several weeks to reflect on her first 100 days in the job. It has been a baptism of fire by many accounts, including hers.