喜新厌旧 xǐ xīn yàn jiù

DEFINITIONS

  1. lit. to like the new, and hate the old (idiom); fig. enamored with new people (e.g. new girlfriend), bored with the old

CHARACTERS

喜 xǐ like, love, enjoy; joyful thing
新 xīn new, recent, fresh, modern
厌 yàn dislike, detest, reject; satiate
旧 jiù old, ancient; former, past