Word

我が身をつねって人の痛さを知れ

我が身を抓って人の痛さを知れ
exp
わがみをつねってひとのいたさをしれ
you can't appreciate others' suffering until you've gone through it yourself; pinch oneself and know others' pain
Word

温故知新

温古知新
おんこちしん
developing new ideas based on study of the past; learning from the past
Word

過ちを観て斯に仁を知る

あやまちをみてここにじんをしる
to observe the reasons and types of faults a person makes is to come to know whether they are virtuous or not
Word

火災報知機

かさいほうちき
fire alarm (device)
Word

火災報知器

かさいほうちき
fire alarm (box)
Word

科学知識

かがくちしき
scientific knowledge
Word

何かしら

何か知ら
adv
なにかしら
somehow or other; something or other
Word

下知

げじ、げち、げぢ
command; order
Word

音波水中探知機

おんぱすいちゅうたんちき
sonar
Word

恩知らず

おんしらず
ingratitude