Here are some examples:
* "He was unfazed by the crowd's jeers." This means the crowd's jeering didn't bother him at all.
* "She was completely fazed by the news of her promotion." This means she was surprised and delighted by the news.
* "He seemed unfazed by the approaching storm." This means he didn't seem worried about the storm.
Note: "Fazed" is often used with the word "un" to indicate the opposite, meaning "not fazed."