Pronunciation: [stˈʌdi at sˈʌdən] (IPA) 
The correct spelling of the phrase "study at sudden" is actually "study at sundown." The confusion could arise due to the similar sounding 'd' and 't' sounds in English. In IPA phonetic transcription, "study at sundown" is spelled as /ˈstʌdi æt ˈsʌndaʊn/. It's important to pay attention to the pronunciation of words to avoid confusion and ensure clear communication.
"Study at sudden" is not a widely used term or phrase in general English language or dictionaries. However, it can be inferred that it refers to the act of engaging in immediate or impromptu learning or investigation.
When analyzed word by word, "study" commonly refers to the process of acquiring knowledge, information, or skills through reading, research, or practice. It involves a deliberate effort to comprehend a subject or concept in a systematic manner.
"Sudden," on the other hand, relates to something that occurs unexpectedly or abruptly without prior warning or preparation. It denotes an instance or event that takes place swiftly or spontaneously.
Combining these words, "study at sudden" seems to imply the act of hastily or instantly engaging in educational activities without a prior plan or a structured approach. It suggests a situation where one may immerse themselves in learning or examining something in a spontaneous or unplanned manner.
However, it is essential to reiterate that "study at sudden" is not a widely recognized or established phrase. Therefore, its interpretation may vary depending on context and usage.
