词根:
dif 表否定 + fic 做 -> 不好做的 -> difficult 难搞的
adj. 困难的不随和的执拗的The exam was pretty difficult.
这场考试相当难。
The exam was fairly difficult.
这场考试相当难。
The exam was quite difficult.
这场考试相当难。
He's a difficult man to please.
他是个难以取悦的人。
It's difficult to tell them apart.
很难把他们区分开来。