Correct

创巨痛深

/ chuāng jù tòng shēn / 
Strokes

Definition

untold pain and suffering (idiom); deeply scarred for life

Example

Definition

suffer from severe wounds and acute pains; be badly injured and in great pain/distress; suffer from great loss/deep distress

1
Wǒmen
我们
jiāng
将
yǒngyuǎn
永远
míngjì
铭记
chuāngjùtòngshēn
创巨痛深
de
的
guòqù
过去
  
。

The great bitterness we experienced will never be forgotten.