old-fashioned

someone who has only recently started a job or activity and has suddenly become very successful.

She denies suggestions that she's a Johnny-come-lately, saying that she has worked for years to get her own show.

• the buck stops with
• the buck stops with .
• the buck stops with someone
• the buck stops with someone.
• the bum's rush
• the bush telegraph
• the business end
• the business end of
• the business end of something
• the calm before the storm
• the cards are stacked against
• the cards are stacked against someone
• the cart before the horse
• the casting couch
• the center of attention
• the change of life
• the chattering classes
• the child from hell
• the [child/house/mother, etc.] from hell
• the chosen few
• the coast is clear
• the cock of the walk
• the comings and goings
• the common touch
• the conventional wisdom