援引

援引	yuán yǐn	to quote; to cite / to recommend (a friend, an associate etc)
援	yuán	to help / to assist / to aid
引	yǐn	to draw (e.g. a bow) / to pull / to stretch sth / to extend / to lengthen / to involve or implicate in / to attract / to lead / to guide / to leave / to provide evidence or justification for / old unit of distance equal to 10 丈, one-thirtieth of a km or 33.33 meters