The Vietnamese word "bức thiết" is an adjective that means "pressing" or "urgent." It is often used to describe situations, tasks, or needs that require immediate attention or action.
Nhiệm vụ bức thiết - "a pressing task"
Yêu cầu bức thiết - "an urgent need"
In more advanced contexts, "bức thiết" can be used to discuss social issues or problems that need immediate solutions.