harden

音標(biāo)發(fā)音

adj性質(zhì)的同根詞
hard：努力的；硬的；睏難的；辛苦的；確實(shí)的；嚴(yán)厲的；猛烈的；冷酷無情的。
hardened：變硬的；堅(jiān)定的。
hardy：堅(jiān)強(qiáng)的；勇敢的；能喫苦耐勞的；魯莽的。
hardhearted：無情的，冷酷的；心腸硬的。
adv性質(zhì)的同根詞
hard：努力地；睏難地；辛苦地；接近地；猛烈地；牢固地。
n性質(zhì)的同根詞
hardness：[物]硬度；堅(jiān)硬；睏難；冷酷。
hardy：強(qiáng)壯的人；耐寒植物；方柄鑿。
hardening：硬化；淬火；鍛鍊。
hardiness：大膽；強(qiáng)壯；耐勞性；耐寒性。
v性質(zhì)的同根詞
hardened：堅(jiān)定，變硬（harden的過去分詞）。
hardening：硬化；使強(qiáng)壯（harden的ing形式）。

harden的基本意思是指事物的硬度增強(qiáng)到堅(jiān)固的程度,即指硬化的過程,也指硬化的結(jié)果,引申可指“心腸硬”“麻木不仁”。
harden用作及物動(dòng)詞時(shí),接名詞或代詞作賓語,可用於被動(dòng)結(jié)搆。用作不及物動(dòng)詞時(shí)，接into表示“凝固成”,接toward表示“對(duì)…冷酷無情”。

When something hardens or when you harden it, it becomes stiff or firm.
When an attitude or opinion hardens or is hardened, it becomes harsher, stronger, or fixed.
hardening
When events harden people or when people harden, they become less easily affected emotionally and less sympathetic and gentle than they were before.
If you say that someone's face or eyes harden, you mean that they suddenly look serious or angry.
a rough fabric made from hards