The correct spelling of the phrase "study at poor" can be confusing due to its colloquial nature. The proper spelling should be "study up more," which is used to encourage someone to study harder. The pronunciation of "study up more" is /ˈstʌdi ʌp mɔr/, with stress on the first syllable of "study" and the second syllable of "more." It is important to use the correct spelling and pronunciation to avoid confusion and effectively communicate the intended message.