Correct

释怀

/ shìhuái /
Strokes

Definition

to release (tension)/relief (from suspense)/to dispel (usu. with negative, unable to forget)

Example

As a Verb

dispel from one's bosom; dismiss from one's mind

1
jiàn
wǎngshì
往事
ràng
jiǔjiǔ
久久
néng
shìhuái
释怀
  

I kept recalling that past event.