used to ask if someone understands or agrees with you, especially if you have not expressed yourself very clearly

It's just the best feeling, know what I'm saying? “这是最好的感觉。你明白我的意思吗？”

You have to do the job back-to-front, if you see what I'm saying. “你得从后往前做这项工作。你明白我的意思吗？”