Denshi Jisho — Online Japanese dictionary

Found 2 sentences.

危機さい冷静さ失わず狂気走る避けること肝要である It is essential to keep calm in a time of crisis and avoid going haywire.
乾燥した空気せい痛んだノド粘膜風邪ウイルス入り込みすくなってしまいます暖房器具対策加湿器乾燥対策しっかり行なうこと肝要す。 Throat and nose membranes hurt by dry air allow cold viruses to enter more easily. It is important to carry out sensible counter plans against the cold with heaters and against the dryness with humidifiers.