一窍不通一竅不通

yī qiào bù tōng

Meaning

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

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Characters

一yīone; a, an; alone 窍qiàohole, opening, aperture穴巧不bùno, not, un-; negative prefix一通tōngto pass through, to open, to connect; to communicate; common辶甬

Examples

我对此一窍不通。

Wǒ duì cǐ yī qiào bù tōng.

This is Greek to me.