Jack of all trades, master of none

Cultural  

1. Someone who is good at many things but excellent at none.

---

Example Sentences

He later relocated to the Luton area for work and described himself as a "jack of all trades, master of none", working in a variety of jobs including at Vauxhall and Luton Airport.

From BBC

The title of her memoir is a play on the idiom “jack of all trades, master of none” — a criticism she says she’s heard levied at performers who, like her, dip their toes into various mediums.

From Los Angeles Times

"We wanted to know how these small fungi have evolved to have such an incredible range of functions and features. With the characterization of over one thousand yeasts, we found that yeasts do not fit the adage 'jack of all trades, master of none.'"

From Science Daily

I use my platform to say that people in musical theater are not jack of all trades, master of none.

From Los Angeles Times

She’d always say she was a “jack of all trades, master of none” because she thought she was so mediocre at everything.

From Los Angeles Times