difficultness

基本解释

• n.难；困难；费力

同根派生

英汉例句

• It must be difficult to play various personae in the same movie.
  在同一个电影中扮演不同的角色肯定不容易。
• Navigation is difficult on this river because of the hidden rocks.
  因为河上有暗礁，所以在这条河上航行很困难。
• It was difficult to tell his exact age.
  很难判断他到底多大岁数。
• It is difficult to express it in terms of science.
  要用科学的字眼来表达它是很困难的。
• It was difficult to gauge how people would respond.
  大家的反应如何难以估计。