不得而知 bùdé'érzhī HSK7 unknown Definitions Defs Origin Strokes Stroke Words Sentences Sents 不得而知 bùdé'érzhī unknown expression impossible to know or find out for certain 他的真实动机，我们至今仍不得而知。 tā de zhēnshí dòngjī, wǒmen zhìjīn réng bùdé'érzhī. His true motives remain unknown to us to this day. Frequency Movie subtitles 0.920 per million appears in 0% of films Written text 3.12 per million Details HSK 3.0 Level 7 Sources Definitions CC-CEDICT Frequency data SUBTLEX-CHBCC Corpus (BLCU)
不得而知 bùdé'érzhī unknown expression impossible to know or find out for certain 他的真实动机，我们至今仍不得而知。 tā de zhēnshí dòngjī, wǒmen zhìjīn réng bùdé'érzhī. His true motives remain unknown to us to this day. Frequency Movie subtitles 0.920 per million appears in 0% of films Written text 3.12 per million Details HSK 3.0 Level 7 Sources Definitions CC-CEDICT Frequency data SUBTLEX-CHBCC Corpus (BLCU)
