1.Step back 后退

例句:I tried to step back, but he held my upper arms too tightly.
我试图往后退，但他将我的上臂抓得太紧了。

2.thrash out 研究解决

例句:The foreign ministers have thrashed out a suitable compromise formula.
外交部长们经过反复讨论，已经制订出合适的折中方案。

3.put in place 就位

例句:They're offended by the elaborate security measures the police have put in place.
他们被警方部署的繁复安全措施惹怒了。

4.put into effect 生效

例句:The provisions of the agreement are being put into effect.
协定的条款正在付诸实施。