该处地势平坦又没有树木，部队无处隐蔽。 The land was flat and treeless and gave no cover to the troops.
对于非授权用户其意义是隐蔽的数据。 Data whose meaning is concealed from unauthorized users.
地雷，水雷一种用来摧毁敌军部队、船舰、碉堡或装备的爆破装置，通常安放在隐蔽处，由于接触、靠近或定时而引爆 An explosive device used to destroy enemy personnel, shipping, fortifications, or equipment, often placed in a concealed position and designed to be detonated by contact, proximity, or a time fuse.
拐角处有个隐蔽入口。 There is an entrance of concealment just around the corner.