Correct spelling for the English word "not up to par" is [nˌɒt ˌʌp tə pˈɑː], [nˌɒt ˌʌp tə pˈɑː], [n_ˌɒ_t ˌʌ_p t_ə p_ˈɑː] (IPA phonetic alphabet).
"Not up to par" is an idiomatic expression used to describe something or someone that is below the expected standard or level of performance. It is often used to convey disappointment or dissatisfaction with the quality of something.
When an object, such as a product or a device, is described as "not up to par," it implies that it is deficient in quality or functionality. This could mean that it does not meet the usual or anticipated requirements, specifications, or standards. For instance, a malfunctioning electronic device that fails to perform as intended, or a low-quality product that does not meet the expected durability and functionality, may be considered "not up to par."
Similarly, when used to describe a person's performance or ability, "not up to par" suggests that they are not meeting the expected or desired level of competence or proficiency. It implies that their performance falls below the standard that is typically expected or required. For instance, an employee who consistently fails to meet targets or provide satisfactory work results may be described as "not up to par."
Overall, the phrase "not up to par" is used to express disappointment or frustration when something or someone fails to meet the expected or desired standards, whether that be in terms of quality, performance, or ability.