(of a habit, belief, or attitude) firmly fixed or established; difficult to change (习惯,信仰,态度)根深蒂固的 his deeply ingrained Catholic convictions. 他根深蒂固的天主教信仰。
(of dirt or a stain) deeply embedded and thus difficult to remove (污垢,污点)难以去除的 the ingrained dirt on the flaking paintwork. 正在脱落的油漆层上难以去除的污垢。