political parties that are 'at daggers drawn' (with each other)
They 'looked daggers at' each other across the table.
a 'cloak-and-dagger' novel
(..) I told him he shouldn't go so far west so soon, but he never listened. You don't look like a soldier. But I'm told you killed a white walker. I did, Your Grace. With a dagger made of dragonglass. Dragonglass? What the maesters call obsidian. I know what it is. We have it in Dragonstone. (..)2015 TvShow: Game of Thrones Title: Kill the Boy Season: 5 Episode 5