harden
🇺🇸
/ˈhɑːrdn/
🇬🇧
/ˈhɑːdn/
to become or make something firm or solid
The clay will harden when it dries.
黏土乾燥後會變硬。
to become or make something more serious or severe
His face began to harden with anger.
他的臉因憤怒而開始變得嚴肅。
to become or make someone more determined
The challenge will harden your determination to succeed.
挑戰將使你成功的決心更加堅定。
to make someone less kind or sensitive
Prison life can harden a person's heart.
監獄生活會使一個人的心變得冷酷。