"Threw me off guard" describes an unexpected situation that caught someone by surprise. It suggests a moment of confusion or shock, making it difficult to respond immediately. This phrase highlights how unforeseen events can disrupt one's expectations or plans.
The chief's eyes crinkled, possibly indicating a mix of amusement, skepticism, or contemplation. Such facial expressions often reveal underlying emotions, adding depth to character interactions. In Ellery Adams' book "A Deadly Cliché," this detail helps paint a vivid picture of the scene or character's mood.