夤    缘    [try to advance one's career by carrying favour with important people;make use of one's connections to climb up] 本指攀附上升，后喻攀附权贵，向上巴结

夤缘，本指攀附上升，后喻攀附权贵，拉拢关系，向上巴结。

夤缘攀附