By the way, have you considered using google? I found the following: 缘分 predestined relationship ； fate 千里姻缘一线牵。 Two beings destined to marry each other, though thousands of miles apart, are tied together with an invisible red thread by an old man under the moonlight. WOW! Chinese is an amazing language! Here's the link: http://www.hxen.com/bbs/html/78/t-14378.html

long red line??可能是吧！这类的词汇挺难的啊！