Word: 一無所知 (yīwúsuǒzhī)

他們的計劃我一無所知。

Tāmen de jìhuà wǒ yìwúsuǒzhī.

I am quite ignorant of their plan.

他幾乎對那個動物一無所知。

Tā jīhū duì nàge dòngwù yìwúsuǒzhī.

He knows almost nothing about that animal.

她對她的家人一無所知。

Tā duì tā de jiārén yìwúsuǒzhī.

She knows nothing about her family.

她對性一無所知。

Tā duì xìng yìwúsuǒzhī.

She knows nothing about the birds and the bees.

我一無所知。

Wǒ yìwúsuǒzhī.

I have no idea.

我對他們的關係一無所知。

Wǒ duì tāmen de guānxi yìwúsuǒzhī.

I don't know anything about their relationship.

我對他們的計劃一無所知。

Wǒ duì tāmen de jìhuà yìwúsuǒzhī.

I don't know anything about their plan.

我對她一無所知。

Wǒ duì tā yìwúsuǒzhī.

I know nothing about her.

我對日本一無所知。

Wǒ duì Rìběn yìwúsuǒzhī.

I don't know anything about Japan.

我對這個計劃一無所知。

Wǒ duì zhège jìhuà yìwúsuǒzhī.

I am quite ignorant of the plan.

我對音樂一無所知。

Wǒ duì yīnyuè yìwúsuǒzhī.

I know nothing about music.