Correct

前尘

/ qiánchén /
Strokes

Definition

the past/impurity contracted previously (in the sentient world) (Buddhism)

Example

As a Noun

past

1
Qiánchén
前尘
kānhuíshǒu
不堪回首
  

It is unbearable to think of the past.

2
Huíshǒu
回首
qiánchén
前尘

look back upon the past