Cách sử dụng
The expression "step into the breach" means to take on a responsibility or task when there is a sudden need or when someone else cannot fulfill it. It is often used when there is an unexpected problem, crisis, or difficult situation. For example, if a colleague is suddenly unable to attend an important meeting, you might "step into the breach" to take their place and fulfill their responsibilities. The expression comes from military usage, where soldiers would physically step into a gap or opening in a wall or defensive line to protect their comrades.