political parties that are 'at daggers drawn' (with each other)
They 'looked daggers at' each other across the table.
a 'cloak-and-dagger' novel
(..) Has all my instuction been for naught? You still read the offical statment and believe it? It's a game... Dear man, A shadowy game. We're playing cat and mouse, the professor and I. Cloak and dagger. I thought it was spider and fly. I'm not a fly, I'm a cat. Not a mouse, But a dagger. Ohhh.... Yes. (..)2011 Sherlock Holmes: A Game of Shadows