Knottier
a. （指木材）多结节的( knotty的比较级 ); 多节瘤的; 困难的; 棘手的
🗣️ 情景例句
After studying an hour, I finally got the hang of the lesson.
我学习了一个小时，终于理解了这一课的要点。
I played in the yard this afternoon.
我今天下午在庭院玩。
Why don't you come a little earlier? About a quarter to.OK?
45分左右来，好吗？