Correct

潸潸

/ shān shān / 
Strokes

Example

As an Adjective

full of tears; copiously tearful

1
Rèlèi
热泪
shānshān
潸潸

tears stream down one's cheeks

2
Bùjīn
不禁
shānshān
潸潸

can't help shedding tears

As an Adjective

(of rain) unceasing

3
Dàyǔ
大雨
shānshān
潸潸
  
。

It was raining unceasingly.