Lessons
n. 功课( lesson的名词复数 ); 课程; 教训; 一堂课
✅ 同义词
🗣️ 情景例句
He is tough in doing everything.
他不管做什么事都很有毅力。
I must play my spare time well, or I end up doing nothing.
我必须善于利用空闲的时间，否则生命将会在无所事事中告终。
It's a pity I didn't think of it earlier.
很可惜，我没有早一点想起这事来。