"were on one case" is an informal idiomatic expression that is commonly used in colloquial speech. Although not an official dictionary term, it can be understood as a phrase indicating a shared focus, determination, or commitment towards accomplishing a particular task or objective within a group or partnership.
The phrase originates from the legal context, where a "case" refers to a particular matter or issue that requires investigation or resolution. In a metaphorical sense, "were on one case" implies that a group of individuals are collectively dedicated to pursuing a common goal with a high level of enthusiasm, coordination, and teamwork.
The phrase suggests a mutual understanding and unity among the members involved, indicating that they are actively working together to tackle challenges, find solutions, or achieve a desired outcome. It implies a sense of engagement, motivation, and collaboration, emphasizing that the group is focused and determined in their efforts.
The expression can be used in various situations, from professional settings to personal contexts, to indicate a shared purpose or intense involvement in achieving a specific objective. It suggests that the individuals are aligned, supporting each other, and ensuring that their combined efforts lead to successful results.
