HSK V7-9
Correct

忙活

/ mánghuo / 
Strokes

Definition

to be really busy/pressing business

Example

As a Noun
urgent work; rush/urgent/pressing job
1
Zhè
这
shì
是
jiàn
件
mánghuo
忙活
  
,
yào
要
mǎshàng
马上
zuò
做
  
。

This is an urgent piece of work. It has to be done at once.

As a Verb
be busy doing sth
2
Nǐ
你
zài
在
máng
忙
shénme
什么
huó
活
  
?

What are you busy with?