重点讲解：
1. push forward 推进；推行；
To achieve this goal of learning, primary and secondary schools should push forward all-round quality education.
为实现这一学习目标，中小学应当全面推进素质教育。
2. interfere in 干涉；干预；介入；
We will always keep our promise not to interfere in the internal affairs of other countries.
我们始终遵守不干涉别国内政的诺言。
3. step down 辞职；下台；让位；
He is not ready to step down yet.
他还不准备辞职。
4. lay off （通常指因工作岗位不足而）辞退，解雇，使下岗；
Then we had to lay off thousands of people.
然后我们不得不解雇了数以千计的人。