daam2 daai6 sam1 sai3膽大心細胆大心细

How it's used

This idiom is frequently used to describe someone who possesses the ideal balance of courage and meticulousness, especially in high-stakes environments like medicine or engineering. It carries a positive connotation of professional competence rather than just reckless bravery. Unlike simple descriptors of bravery, it emphasizes the necessity of caution and precision alongside decisive action.