A person or thing is hiding its true ability and strength, and at one moment it will show its majestic and unstoppable side.
"Tiger crouching in the cave in three mountains" describes a person who looks ordinary but is full of potential inside, bringing huge impact and influence to people. "Tiger Lying in a Cave in Three Mountains" conveys a metaphorical nature, describing a seemingly ordinary place that possesses extremely high energy and threatening nature and is waiting for an opportunity to burst out its true strength and determination.