She acts as if everything in her life is 'peachy keen' [='peachy'], but I don't think she's really happy.
She has a 'keen ear' for languages. [=she is able to easily learn and understand languages]
She had a 'keen' awareness of what was happening. [=she knew exactly what was happening]
(..) are unlikely to survive their Northern adventures. But in the event that they do... She has a keen sense of poetic justice. That fucking family. QYBURN: When the Citadel expelled me, I thought I would die (..)2019 TvShow: Game of Thrones Title: Winterfell Season: 8 Episode 1