yī​qiào​bù​tōng

ignorant

一窍不通 (一竅不通) yī​qiào​bù​tōng
ignorant idiom
completely ignorant of a subject or skill; lacking any knowledge of something; it's all Greek to one

电脑维修一窍不通

duì diàn​nǎo wéi​xiū yī​qiào​bù​tōng.

I know nothing about computer repair.

Frequency

Movie subtitles
2.33 per million appears in 1% of films
Written text
0.843 per million

Sources

Definitions
CC-CEDICT