难的

abstrusely

难解地

abstruse 奥妙的 | abstrusely 难解地 | abstruseness 难解

catastrophism

劫数难逃论

catastrophic 悲惨的 | catastrophism 劫数难逃论 | catastrophist 劫数难逃论者

Easier said than done. etc

(知易行难. )

38.From words to deeds is a great space.(说来容易做到难. ) | 41.Easier said than done. etc.(知易行难. ) | 42.Every cock crows on his own dunghill.(每个处于安逸环境中的人,都可以自夸其勇. )

Slowly fade away

真的很难

and it's just too hard to watch it all 看着所有的色彩都变成灰色,对我来说真的太难了 | slowly fade away 真的很难 | i'm leaving today 今天我将要离开这里

illegibility

难读/不明

illegally /不法地/ | illegibility /难读/不明/ | illegible /难读的/

inaccessibility

难接近

inability to fix 铭记困难 | inaccessibility 难接近 | inaccessible 难接近的

infusibility

难熔性

infuser 注入器;浸溃器 | infusibility 难熔性 | infusible 难溶化的

intolerability

难耐

难民refugee | 难耐intolerability | 难攀上的offish

irresistibility

难敌

难得地inaccessibly | 难敌irresistibility | 难抵抗的opposeless

infusible

难溶化的

infusibility 难熔性 | infusible 难溶化的 | infusion in seam 向地层注入

mine-run coal：原煤

"mine resistance","通风阻力 ; 矿阻" | "mine-run coal","原煤" | "mine salting","矿石渗杂"

PA: Pennsylvania：美国宾夕法尼亚州州名

ancestry 祖先(集合称), 家系, 血统 | Pa. Pennsylvania 美国宾夕法尼亚州州名 | booster locomotive 辅助机车