

山田先生は生徒みんなに公平です。
この仕事はみんなで公平に分けましょう。
それはちょっと公平じゃないと思います。
"こうへい(公平)" is in the lesson "Types of people" (Level 34), along with 10 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.