It is known to all that panda is our national treasure. 
众所周知,熊猫是我们的国宝。

Its lovely image is favored by people from all over the world.  
其可爱的形象深受来自世界各地人们的喜爱。

When I see the panda,
当我看到熊猫,

I am so excited, 
我很兴奋,

its black eyes and round fat body shape look so cute.
它的黑眼睛和圆胖的体型看起来很可爱。

The pandas are very lazy, they just eat and sleep all the day. 
熊猫非常懒惰,他们除了吃饭就是睡觉。

People always play the joke that if you have not enough sleep, 
们总是开玩笑说,如果你没有足够的睡眠,

you will look like a panda. 
你会看起来像一只熊猫。