Learning difficulties
学习障碍（天生智力问题或疾病、受伤引起）
🧩 词语组成解析
n. 困难( difficulty的名词复数 ); 难度; 难事; 麻烦
🗣️ 情景例句
His excuse sounds unconvincing.
他说的理由好像不可难。
It's very cold outside.
外面非常寒冷。
The Olympic Games will be held in our country in four years' time.
4年以后，奥林匹克运动会将在我们国家举行。