Screwer
螺纹刀, 开（手）表起子
🗣️ 情景例句
I can only stay a few minutes.
我只能停留几分钟。
Absent-minded
心不在焉
In this way self-confidence grows, first from mastering a subject, then from being able to take about it.
这样，你自信心不断增强，先是因为掌握一门学问，接下来是因为能够就此发表见解。