我认为要具体要根据语境吧.下面的词组都有“释怀”的意思:let go;dispel from one's bosom; dismiss from one's mind
例句:
1 I kept recalling the scene of our parting.
当年离别的情景使我久久不能释怀.
2 That trip gave me great emotional baggage that I'm still carring around with me.
那次旅行给我带来了沉重的精神负担,至今都无法释怀.