在常用词sharpen,strengthen和wooden中有个派生后缀-en。1)在头两个词中,是个动词后缀,来自古英语的-man。 它一般加缀在英语形容词或名词后面。当它与形容词缀合时,意为to cause to be〜(使…)或to become〜(变得…);当它与名词缀合时,意为to cause to have〜(使有…)或to become to have 〜(变得有)。2)在wooden中,-en是个形容词后缀,它的词源是古英语的-en,它一般加在物质名词后面表示made of〜(由… 制成)或having the look of —(像…样的)。
先举几个由动词后缀-en构成的有代表性的例词。
sharpen [sharp a. 尖的,锋利的;-en →]v. cause to be sharp; make sharper 削尖,磨快/ Sharpen your pencils before class. 课前先削好铅笔。
soften [soft a. 软的;-en →]v. ① make soft or softer 弄软,使柔软/ Lotion softens the skin. 护肤液会使皮肤柔软。②become soft or softer 变软;变柔和 / Business was strong until September, then began softening. 生意一直到九月份都很好,然后就开始疲软了。
strengthen [strength n. 力量;-en=>“to cause to have strength使有力量”→]v. make strong 使坚强,加强 / The soldiers strengthened defenses. 战士们加强了他们的防御工事。