Chen Si Yuan (陳思遠) is a Chinese name, and I'll break it down for you:

• Chen (陳) is the surname, which is a common Chinese family name.
• Si (思) means "to think" or "to ponder".
• Yuan (遠) means "far" or "distant".

So, the name Chen Si Yuan can be literally translated to "Chen who thinks far" or "Chen who has far-reaching thoughts". In a more poetic sense, it could mean someone who is thoughtful, introspective, and has a broad perspective.