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
Nā
那
jiàn
件
wǎngshì
往事
ràng
让
wǒ
我
jiǔjiǔ
久久
bù
不
néng
能
shìhuái
释怀
  
。

I kept recalling that past event.