Example 1: "To be frank, I don't think you're qualified for the job."
Example 2: "To be frank, I'm not a fan of the new album."
Example 3: "To be frank, I'm tired of hearing about the Kardashians."
The phrase "to be frank" is often used in formal settings, such as in a business meeting or a job interview. It can also be used in informal conversations between friends or family.