Jump/be thrown in at the deep end

Pro Tip 1/3

Sudden Challenge

Used when someone faces an unexpected difficult task without help or prior experience.

Despite being new, Lisa was thrown in at the deep end to negotiate with clients.

Pro Tip 2/3

No Gradual Introduction

Emphasizes the absence of a step-by-step learning process or gradual increase in difficulty.

I had to jump in at the deep end with my new software project.

Pro Tip 3/3

Emotional Overwhelm

Can imply feeling overwhelmed due to the sudden increase in responsibility or difficulty.

I felt thrown in at the deep end when I had to manage the event alone.