ostentatious 的用法及固定搭配

ostentatious

ostensible和ostentatious意思不同，看了下面一段文字便明白：

• His ostensible motive was patriotism. Actually, he was a spy. Therefore his gestures of devotion to the country were ostentatious.（他外表的动机是爱国。实际上，他是个间谍。所以他那些忠于国家的姿态都是夸示性的［就是做给人家看的］。）