Correct

费话

/ fèihuà / 
Strokes

Definition

to talk at length/to waste one's breath/variant of 废话[fèi huà]

Example

As a Verb

take a lot of talking/explaining

1
Wǒ
我
fèi
费
le
了
hěnduō
很多
huà
话
cái
才
bǎ
把
tā
他
shuōfú
说服
  
。

It took me a lot of talking to convince him.

2
Zánmen
咱们
biè
别
fèihuà
费话
  
,
gǎnkuài
赶快
gànhuó
干活
bā
吧
  
。

Let's save our breath and get down to work.