英语翻译：
lifetime; the generation; the like
例句：
- 世界性的饥饿问题是个极其难以解决的问题，我恐怕人们在我这一辈子都找不出解决的办法。
The question of world hunger is a very hard nut to crack. I doubt if we'll find the answer to it in my lifetime.
- 我这一代人和我父辈及祖辈表现不同。
My generation behaves differently from my father's and grandfather's.
- 老一辈的各类人都在那里。
Many representatives of the older generation were there.
- 你能甘心一辈子失业吗？
Could you reconcile yourself to a lifetime of unemployment?