How the word "じじつ（事実）" is translated into English
それは意見ではなく、事実です。
事実を知るのが怖いこともあります。
そのうわさは事実ではありませんでした。
"じじつ（事実）" is in the lesson "Philosophy" (Level 44), along with 11 other useful words. LinDuo has 180 topic lessons like this one, 2,379 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.
