Expression: "Sometimes I feel like a square peg in the round..."

English as a Second Language English Vocabulary, Grammar and Idioms
1

Hi

Do you find the following sentence correct and natural? It was said by a person who was not satisfied with his job.

Tom

2

Hi Tom,

I would use ‘in a round hole’ as this is a general comment because ‘round hole is not’ specified in the sentence.

Alan