1. The police haven't got a clear clue up to now.
2. She's really clued up on politics.
3. Ben's more clued up on/about the cinema than I am.
4. But are you really clued up on modern skincare?
5. He's quite clued up about music.
6. Michael is all clued up about radio.
7. I'm quite clued up on America.
8. Paul is all clued up about literature.
9. He's pretty clued up on electronics.