流失

流失	liú shī	(of soil etc) to wash away / to be eroded / (fig.) (of talented staff, followers of a religious faith, investment funds etc) to go elsewhere / to fail to be retained
流	liú	to flow / to disseminate / to circulate or spread / to move or drift / to degenerate / to banish or send into exile / stream of water or sth resembling one / class, rate or grade
失	shī	to lose / to miss / to fail