Liu Meng Xi (刘梦溪) is a Chinese name, and I'll break down the meaning of each character:

• Liu (刘) is the surname, which is a common Chinese family name. It doesn't have a specific meaning on its own.
• Meng (梦) means "dream" in Chinese. It can also imply a sense of fantasy or imagination.
• Xi (溪) means "brook" or "stream" in Chinese. It can also imply a sense of gentle flow or movement.

So, the name Liu Meng Xi can be roughly translated to "Liu of the Dream Brook" or "Liu with a Dreamy Stream". However, it's essential to note that Chinese names often have deeper meanings and cultural contexts that may not be immediately apparent.