Correct

笨舌头

/ bèn shé tou /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/笨舌头-Chinese-idioms-Cchatty-9799baa1-91f7-4612-ac7d-f207b2cffd64-1612777908.jpg

Collocation

1
锻炼了笨舌头
2
笨舌头的人
3
这个笨舌头

Definition

笨舌头:

Literally means:

a heavy tongue

Actually means:

It refers to someone who is not good at speech. It may also refer to a clumsy tongue or other speech organs. Derogatory.

指不善于说话的人。也指不灵活的舌头或发音器官。具有贬义色彩。

Example

Used as subject, attributive or object .常 (作主语、定语、宾语)
1
kàn
ā
  
,
zhège
这个
bèn
shétou
舌头
shuō
guò
不过
ge
那个
néngyánshànbiàn
能言善辩
de
niang
姑娘
  

I see, you stupid tongue can't speak but that eloquent girl.

2
Gēn
rénjiā
人家
tánpàn
谈判
  
,
méiyǒu
没有
gāochāo
高超
de
yán
语言
qiǎo
技巧
shì
xíng
不行
de
  
,
shì
bèn
shétou
舌头
de
rén
  
,
háishi
还是
zhǎo
biéren
别人
  
!

Negotiating with others, no superb language skills is not possible, I am a stupid tongue-in-cheek person, or find someone else!

3
jiào
zhè
lǎowài
老外
chàng
jīng
京剧
  
,
jǐn
不仅
duànliàn
锻炼
le
xué
hàn
汉语
de
bèn
shétou
舌头
  
,
hái
gāo
提高
le
xīnshǎng
欣赏
zhōngguó
中国
戏曲
de
néng
能力
  

I taught the foreigner to sing Beijing Opera, which not only trained his clumsy tongue in learning Chinese, but also improved his ability to appreciate Chinese opera.