HSK 5 HSK V4
Correct

随手

/ suíshǒu / 
Strokes

Definition

conveniently/without extra trouble/while doing it/in passing

Example

As an Adverb

conveniently; without any extra effort

1
Wǒ
我
suíshǒu
随手
ná
拿
qǐ
起
yī
一
běn
本
zázhì
杂志
  
,
fānyuè
翻阅
qǐlai
起来
  
。

I idly picked up a magazine and flicked through it.

2
Qǐng
请
suíshǒu
随手
guānmén
关门
  
。

Please close the door after/behind you.