八点半：
it is eight-thirty；At half past eight 都可表示为八点半。
例句：
大概是八点半或者九点的时候。
It was about half-past eight or nine.
扩展资料
钟的指针指在八点半上, 我们该让孩子们上床睡觉了。
The hands of the clock pointed to half past eight.It was time we put our children to bed.
那天早上八点半，我正在《纽约客》编辑部的'办公室写一篇有关印度艾滋病情况的稿件。
At eight-thirty that morning I was in my office at The New Yorker working on a story about AIDSin India.
