harden
🇺🇸
/ˈhɑːrdn/
🇬🇧
/ˈhɑːdn/
to become or make something firm or solid
The clay will harden when it dries.
粘土は乾くと固まります。
to become or make something more serious or severe
His face began to harden with anger.
彼の顔は怒りで険しくなり始めました。
to become or make someone more determined
The challenge will harden your determination to succeed.
その挑戦は成功への決意を固くするでしょう。
to make someone less kind or sensitive
Prison life can harden a person's heart.
刑務所での生活は人の心を冷酷にすることがあります。