Designed to break, bend, or fall apart easily upon impact, especially to create an illusion, as with a theater prop, or for safety, as with a highway sign or barrier.

• 故意设计的一碰就破的舞台道具的，一碰就倒的东西的设计一碰即易碎、易弯曲或易跌开的，尤指为造成一种假象（如舞台道具）或为安全起见（如高速路路标或障碍物）