Difficultness
n. difficult的变形
🗣️ 情景例句
Dad works hard, and he works late.
爸爸工作忙， 而且忙到很晚。
Knowledge without practice makes but half an artist.
只有知识而无实践，只能造就半瓢水的艺术家。
Fierce wars between Native Americans and European settlers broke out.
美洲土著人和欧洲殖民者之间发生了激烈的战争。