Time is like an unforgiving giant wheel, it can crush youth.

时间好比无情的巨轮，它能碾碎青春。

He has always been a conceited and unforgiving person.

他一直是一个自大又记仇的人。

Satin is unforgiving and emphasizes bulges.

缎子很贴身，会凸显身材曲线。

He was an unforgiving man who never forgot a slight.

他是一个记仇的人，一点小事也不会忘记。

Business is a competitive activity. It is very fierce and very unforgiving.

商业是一种竞争性强的活动：很残酷，也不允许任何错误。

But stone flags are unforgiving.

但是石板是无情的。

If you can fill the unforgiving minute.

填满那不可饶恕的一分钟。

Wadi Hitan is a beautiful but unforgiving place.

“鲸之谷”是一个美丽而冷酷的地方。