Proverb meaning that youth makes people attractive (literally 'even an ogre looks pretty at eighteen').
高校のときの写真を見ると、みんな生き生きしている。やはり鬼も十八だね。
Looking at high school photos, everyone looks lively. Indeed, even an ogre at eighteen is attractive.
若いときの勢いは大事だ。鬼も十八という諺があるようにね。
Youthful vigor is important. As the proverb says, even an ogre at eighteen.
昔の映画でも、若い俳優は目を引く。鬼も十八という表現がよく使われる。
Even in old movies, young actors catch the eye. The expression 'even an ogre at eighteen' is often used.