The white sergeant is a self-aware peddler of ugly racism.这个白人警官有意散播丑陋的种族主义观点。Doing a degree has increased my confidence and I feel much more self-aware.攻读学位增强了我的自信，使我更加了解自己。Studying has increased my confidence and I am much more self-aware.学习增强了我的信心，让我更了解自己。