承诺说得漂亮反悔得洒脱
[chéng nuò shuō dé piāo liàng făn huĭ dé să tuō]
'Promises Are Easy To Make But Hard To Break In A Carefree Manner'. This phrase satirically describes how some people make grand promises very easily but break them later without guilt, showing a contrast between making promises in good words and reneging on those promises casually or freely.