Difficient
a. 缺乏的, 缺少的, 不足的
🗣️ 情景例句
Hey, go to the doctor. That cough sounds bad.
嘿，去看看医生吧，听起来你咳嗽得挺厉害的。
What we learn with pleasure we never forget.
乐意学的东西决不会忘记。
It's nothing to be surprised about.
这事不值得大惊小怪。