Dictionary / Vocabulary / 三才
さんさい
the three powers (heaven, earth and man); everything in the universe
彼は三才のとき東京に来た。
He came to Tokyo at the age of three.
私より彼のほうが三才年上です。
He is my senior by three years.
てめえ、三才下のくせに口を出すんじゃねえよ。
You're 3 years younger than me, so don't mess with me.