Difficultness
n. difficult的变形
🗣️ 情景例句
It has been a learning experience. That's true.
这真是一次学习经验， 真的。
I have just finished my homework.
我刚刚做完了作业。[刚刚完成的动作
What will the money be used for?
这钱打算怎么用？