verb · To stay at the back of a troop or procession to maintain order or guard against attack.

大将亲自在队伍最后压阵，以防敌军突袭。

verb · To provide a steadying presence, moral support, or to add prestige and stability to a group or event.

有这位老将坐镇压阵，年轻队员们心里踏实多了。