unhappy造句

I don't want him to feel forsaken and unhappy.
我不想让他感到被抛弃而不快乐。

He has been unhappy with his son's political leanings.
他一向不满意儿子的政治倾向。

I felt our engagement was quite an unhappy time.
我觉得我们订婚期间非常不愉快。