Correct

问门道

/ wèn mén dào /
Strokes
https://i.cchatty2.com/filters:format(webp)/fit-in/684x0/img/202102/问门道-Chinese-idioms-Cchatty-35e43599-25b3-4f08-adef-1d9abb08dd17-1612778355.jpg

Collocation

1
问了很多/不少门道
2
问问门道
3
问门道的人
4
要问问门道,摸情况
5
找有经验的人问门道

Definition

问门道:

Literally means:

learn about the knack

Actually means:

ask about the way to do something

门道 refers to method or knack.

This phrase means asking about the means or methods to do something.

门道,门路或窍门。

问门道,询问做事或解决问题的办法或途径。

Example

Used as predicate, attributive or object, and it can have other words in between. (作谓语、定语、宾语,中间可插入其他词语)
1
Gōngzuò
工作
zhīqián
之前
  
,
guǒ
如果
xiān
wèn
wènwèn
问问
méndào
门道
  
,
摸摸
qíngkuàng
情况
  
,
jiù
shǎo
zǒu
xiē
一些
wān
弯路
  

Before work, if you ask the doorway, touch the situation, you can take fewer detours.

2
Wèile
为了
mǎn
满足
shàngmén
上门
xué
shù
技术
  
wèn
méndào
门道
de
nóng
农户
de
yào
需要
  
,
suǒxìng
索性
bàn
le
nóng
农业
jīng
经济
shù
技术
xúnzhàn
咨询站
  

In order to meet the needs of farmers who study technology and ask questions, he set up an agricultural economic and technical consultation station.

3
Zhāng
张大爷
shì
xīnrén
热心人
  
,
yǒurén
有人
lái
wèn
liángshi
粮食
zēngchǎn
增产
de
méndào
门道
  
,
yǒuwèn
有问必答
  
,
yǒuqiúyìng
有求必应
  

Mr. Zhang is a warm-hearted person, someone came to ask the door to increase grain production, he has to answer questions, there is a demand.