What does it mean to draw a tiger but not a bone?

Just as the appearance of a tiger is easy to draw, but the bones of a tiger are difficult to draw, the appearance of a person is easy to identify, but the heart is difficult to understand.

First, the source:

Meng Yuan Hanqing's Mo He Luo: "Do you know who I am? It's easier said than done.' It's hard to draw a tiger's skin than a bone. People know its face but not its heart.' "

Second, translation:

Do you know who I am? I like to say,' It's hard to draw a tiger's skin but a bone. It is easy to understand people's surface, but it is very difficult to understand people's heart.

works appreciation

The work exposes the contradiction of feudal families and the corruption of bureaucracy in Yuan Dynasty, and successfully shapes the upright and upright character image of Justin Cheung. The fourth fold, Zhang Shen Mohe Heluo, reeling from a clue, finally made the case clear and received good dramatic effect.

The old messenger Takayama's kind, stubborn and humorous personality is also very successful.