The picture is as follows: Crazy guess idiom Tiger has a pair of wings. The answer is: add wings to the tiger. The idiom means that a tiger has wings, just like a tiger has wings. Metaphor is that powerful things are stronger. Source: Ming Xi Zhou Sheng's "Biography of Awakening Marriage": "Na You's family also lost the ban of Professor Xue; Teach your daughter verbally; Teach your daughter to add wings to the tiger ... "Shu Zhuge Liang's Heart Sutra and Military Machine": "You will be able to exercise the strength of a soldier, and when you are in a group, your arms are like tiger wings and soar in the world.