重点讲解：
1. sit around 闲坐着；无所事事；
Eve isn't the type to sit around doing nothing.
伊芙不是那种喜欢坐在那里无所事事的人(xzADhDezKgOG2B9K。
2. grind to a halt （使）（生长、发展、活动等）完全停止；
The production lines ground to a halt for hours while technicians tried to debug software.
生产线停工达数小时之久，在此期间技术人员试图纠除软件错误g.^ULq#7^;4OT]。
3. as long as 只要；
As long as I deliver the goods, my boss is very happy.
只要我做好本职工作，我的老板就很高兴9sFq^TZv)u。
4. sit back 不插手；袖手旁观；
They didn't have to do anything except sit back and enjoy life.
他们只需置身事外，享受生活[^2BhiA3+3tW9fUb#t4^。