1. As a surname: Sui is a common Chinese surname, meaning "willow" or "slender".
2. As a dynasty name: Sui Dynasty (581-618) was a short-lived dynasty in Chinese history.
3. As a word: "Sui" can also mean "follow" or "accompany" as in the phrase "suí shí" (随时), which means "at any time" or "whenever".
4. As a character: The character 隋 can also be used in combination with other characters to form different words with various meanings.
To understand the specific meaning of "Sui" in a particular context, you need to consider the surrounding characters and the overall sentence.