Difficiency
n. 缺乏, 缺少, 不足
🗣️ 情景例句
He'll be grouchy.
他会发牢骚的。
So annoying!
讨厌！
Yes, it is.It's very urgent.I feel awful. I have a terrible toothache.
是的，很急。我难受极了，牙痛得要命。