【喜新厌旧】〖x xn yàn jiù〗[be fond of the new and tired of the old; abandon the old for the new; be fickle in one's affection; reject the old and crave for the new]

喜上眉梢觅追欢，

新来乍到美尝鲜。

厌塞众议眠花柳，

旧爱宿恩情不专。

喜欢新的，厌弃旧的。多指爱情不专一。Like new, detest reject old of. Polydactyly is love not single-minded. 同：朝三暮四、见异思迁。反：坚定不移、地久天长。歇：走路换草鞋。谜：陈世美不认秦香莲。