تعریف و معنای "[hold] {one's} breath"

What is the origin of the idiom "hold one's breath" and when to use it?

The idiom "hold one's breath" originated from the literal act of voluntarily or involuntarily stopping one's breathing. The expression has been used since ancient times and has its roots in the physical response to moments of tension, suspense, or anticipation. In such situations, individuals often hold their breath as a reflexive response. It is employed to describe the act of waiting anxiously or with great anticipation for a specific outcome, event, or result.