し ち じゅう
七十 Kanji
彼は七十歳まで生きた。 He lived to be seventy years old.
七十人訳聖書 Kanji
七十古希 Kanji
七十二候 Kanji
人噂七十五日 Kanji
そんな失敗なんて気にするな。人の噂も七十五日。みんなすぐに忘れるさ。 I wouldn't let a goof-up like that get to you. People have short memories and the one good thing about gossip is that it's short-lived.
Japanese Dictionary
