Ⅰ名词 1.(缘故) reason 短语和例子 无缘无故 without rhyme or reason; for no reason at all; 缘何到此? what's your reason for coming here?2.(缘分) predestined relationship 短语和例子 人缘儿 relations with people; popularity; 姻缘 predestined marriage; 有一面之缘 happen to have met once3.(边) edge; fringe; brink 短语和例子 外缘 outer fringe [edge]; 这个城市处于沙漠南缘。 this city is located on the southern fringe of the desert.Ⅱ动词 (攀援) climb up 短语和例子 缘木求鱼 climb trees to look for fishⅢ介词 (沿着; 顺着) along 短语和例子 缘溪而行 walk along the stream