Examples of using "бровь" in a sentence and their english translations:
He raised an eyebrow quizzically.
Tom furrowed his brow.
Tom has a pierced eyebrow.
- You've hit the nail on the head!
- You nailed it!
If you raise an eyebrow, it can mean "I want to have sex with you", but also "I find that what you just said is completely idiotic."