máng guǒ
芒　果　
Mango

nǎ zhǒng shuǐ guǒ shì lì zuì chà ？－－ máng guǒ　 yīn wèi máng guǒ 。
哪 　种　 水　果　视　力 最　差　？－－　芒　果　　因　为　 盲　果　。 



   Which kind of the fruits has the worst vision——Mango, because the blind fruit.


    Can you catch it? Do you know why? Because in Chinese language, the word 盲（máng） means blind. Then the worst vision fruits is 盲果（máng guǒ）, however, the word 芒（máng ）has the same pronunciation which is mang. Moreover the 芒果（máng guǒ） is the mango’Chinese name. So that’s why the mango has the vorst vision.