The correct spelling of the phrase "study at cheat" is actually "Studied Cheating." The first word is in the past tense and the second word is a gerund. The pronunciation of "studied" is /ˈstʌdiːd/, with the stress on the first syllable and the vowel sound in "luck". The pronunciation of "cheating" is /ˈtʃiːtɪŋ/, with the stress on the second syllable and the vowel sound in "meet". It is important to use the correct spelling and pronunciation in order to effectively convey the intended meaning.