一无所知 (yìwúsuǒzhī) is an HSK 7-9 Chinese word. Its most common English meaning is (idiom) not knowing anything at all; depending on context, it can also mean completely ignorant. Read the examples below to choose the meaning that fits the sentence.
01(idiom) not knowing anything at all
02completely ignorant
02 · EXAMPLES
一无所知
我对他们的计划一无所知。Wǒ duì tā men de jì huà yì wú suǒ zhī。
I don't know anything about their plan.
我对他们的关系一无所知。Wǒ duì tā men de guān xì yì wú suǒ zhī。