The manual was full of technical jargon that was hard to understand.
She used a lot of business jargon in her presentation, confusing some of the audience.
The article was filled with industry jargon that only experts in the field would understand.
The contract was written in dense legal jargon, making it difficult for the average person to decipher.
The doctor used a lot of medical jargon when explaining the diagnosis, leaving the patient confused.