[喜新厌旧 / 喜新厭舊, xǐ xīn yàn jiù, ㄒㄧˇ ㄒㄧㄣ ㄧㄢˋ ㄐㄧㄡˋ]lit. to like the new, and hate the old (成语 saw); fig. enamored with new people (e.g. new girlfriend), bored with the old#37547[Add to Longdo]
[兵不厌诈 / 兵不厭詐, bīng bù yàn zhà, ㄅㄧㄥ ㄅㄨˋ ㄧㄢˋ ㄓㄚˋ]there can never be too much deception in war; in war nothing is too deceitful; all's fair in war#97740[Add to Longdo]
[あかす, akasu](v5s, vt) (1) to bore; to tire; to weary; to stultify; (2) (often intransitively as 〜に飽かして) to use lavishly (and without regret)[Add to Longdo]
[あく, aku](v5k, vi) (1) (arch) (See 飽きる) to tire of; to lose interest in; (2) to be satisfied; to enjoy; (3) (after the -masu stem of a verb) to do adequately[Add to Longdo]