not having interest or losing interest because you have experienced something too many times

Flying is exciting the first time you do it, but you soon become jaded. 第一次坐飞机你会很兴奋，但很快你就会厌倦的。

Perhaps some caviar can tempt your jaded palate. 也许来些鱼子酱能让没有食欲的你胃口大开。