tough和tougher的区别

tough，adj.艰苦的;艰难的;棘手的;严厉的;强硬的;无情的;坚强的;健壮的;能吃苦耐劳的;

例句

It was a tough race and I had to pace myself.

这是场艰苦的比赛，我不得不控制好节奏。

tougher更严厉的，tough的比较级;

例句

The government insists that 'prison works' and plans to introduce a tougher sentencing policy for people convicted of violent crime.