Correct
一窍不通
/ yī qiào bùtōng /
Strokes
Definition
lit. doesn't (even) enter a single aperture (of one's head)/I don't understand a word (idiom)/it's all Greek to me
Example
Definition
be completely ignorant of; know nothing about; lack the slightest knowledge of; be utterly ignorant of
1
Wǒ
我
shì
是
wàiháng
外行
,
duì
对
gōngchéng
工程
jìshù
技术
yīqiàobùtōng
一窍不通
。
I am a layman, knowing nothing when it comes to engineering and technology.
2
Tā
他
duì
对
yǔyánxué
语言学
yīqiàobùtōng
一窍不通
。
He has no grounding in linguistics. / Linguistics is a closed/sealed book to him.
3
Duì
对
yīnyuè
音乐
yīqiàobùtōng
一窍不通
be musically illiterate
4
Duì
对
wénxué
文学
yīqiàobùtōng
一窍不通
know nothing about literature