1. 认识
To become more strict, or to make something more strict
The new law toughens(up) penalties and restrictions for DUI offenders.
Notes: the death penalty (刑罚)，punishment,
restriction（限制)，regulation（管制)，
DUI(driving under the influence), offender(law-breaker 罪犯)
2.进阶体会
Tough：艰难的，（政策/行动）强硬的
Toughen: adj.+en=v. 加强= make sth. more strict
中国已经加强了对虚拟货币交易的控制。
Chinese authorities have toughened their control of cryptocurrency trading.
Notes: crypto-(prefix) hidden/secret
Authority: power
The authorities 官方，当局
政府已经出台了新政策，加强电动车使用规定。
The government has issued new policies to toughen the rules about using electric scooters.
Toughen+ policy政策, rule规章, penalty/punishment惩罚
Mr Trump and his administration have got three things right. The first is that America needs to be strong. It has toughened the rules on takeovers, to give more right to national security.
Notes: national security
Takeover: finance 收购，politics 接管
3.认识-会用（作业）
政府逐渐加强了对网约车的管制和处罚。
The government has gradually toughened up regulations and punishments on car-hailing services.
4.作业：
场景a：政府监管部门加强了对网络信息传播的管制和处罚。
场景b: 大学教学办加强了对学生出勤率的监督。
The supervision of administration has gradually toughened up regulations and punishments on information spreading in cyberspace.
The university teaching office has toughened supervision on the rate of attendance at courses.
