harden
🇺🇸
/ˈhɑːrdn/
🇬🇧
/ˈhɑːdn/
to become or make something firm or solid
The clay will harden when it dries.
黏土干燥后会变硬。
to become or make something more serious or severe
His face began to harden with anger.
他的脸因愤怒而开始变得严肃。
to become or make someone more determined
The challenge will harden your determination to succeed.
挑战将使你成功的决心更加坚定。
to make someone less kind or sensitive
Prison life can harden a person's heart.
监狱生活会使一个人的心变得冷酷。