The most strenuous effort should be directed at toughening up the system for regulating journalists' behaviour.

最艰苦的努力应该付诸于加强某一体系以规范记者的行为。

I've aIways regretted not toughening you up when you were a boy.

我一直后悔你小的时候 没让你的强韧些。

The government of Canada has issued an emergency directive toughening up rail safety following a deadly accident in Quebec earlier this month.

本月早些时候魁北克发生致命事故，为此，加拿大政府发布紧急指令，要求加强铁路安全。

American regulators may be toughening up on some Chinese firms, by employing sanctions and export controls, but the Big Apple seems to have retained its allure.

美国监管机构可能正在通过制裁和出口管制对一些中国公司采取强硬措施，但纽约似乎仍保持着吸引力。