Obsessiveness
n. 执念
🗣️ 情景例句
The firm isn't making out as well as was hoped.
公司并不像原来期望的那样进展顺利。
Know something like the palm of one's hand.
熟知其事，了如指掌。
It involves a lot of hard work.
那需要很多的辛勤工作。