Roadworker
n. (职业拳击手等的)越野长跑训练；[复数]道路施工(常用于告示牌上)
🗣️ 情景例句
He made up his mind to give up smoking.
他下决心戒烟。
Know something of everything and everything of something.
既要有一般常识，又要有专业知识。
Yes. That's right.
没错。