Correct

费口舌

/ fèi kǒu shé /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/费口舌-Chinese-idioms-Cchatty-1fcddc62-9c04-41ae-b9ae-4258f8b714df-1612778203.jpg

Collocation

1
费了一番/不少口舌
2
不必费口舌解释
3
不想费口舌
4
用不着费口舌
5
特别费口舌
6
颇费口舌
7
大费口舌
8
多费口舌

Definition

费口舌

Literally means:

takes the mouth and the tongue

Actually means:

require a lot of explanation or debating

口舌 refers to words. The phrase means talking alot to persuade, explain or argue.

口舌,比喻话语。费口舌,指说很多话进行说服、解释或争辩。

Example

Used as predicate, object or adverbial adjunct,and it can have other words in between. (作谓语、宾语、状语,中间也可插入其他词语)
1
běnlái
本来
shì
jiānjué
坚决
yào
zǒu
de
  
,
shì
ge
哥哥
fèi
le
shǎo
不少
kǒushé
口舌
  
,
cái
liúxiàlái
留下来
de
  

He was determined to go, and it took his brother a lot of tongue to keep him.

2
Zhè
shì
jīng
已经
quàn
guò
duō
多次
le
  
,
dàn
xiàn
发现
自己
de
quànshuō
劝说
xiào
无效
hòu
  
,
jiù
lǎn
懒得
fèi
kǒushé
口舌
jiěshì
解释
le
  

He had advised him many times about it, but when he found that his persuasion was ineffective, he was too lazy to explain it.

3
Zhè
jiàn
shì
xìn
xìn
yóu
  
,
xiǎng
duōfèikǒushé
多费口舌
  

Believe it or not, I don't want to talk too much.