four thirty或者half past four。所有的时间可以用小时+分钟顺读表示。添加介词表示法：如果分数小于或等于30，就用past来表示，结构是“分钟+past+该点钟“。
4:30用英语例句很多人不知道这个问题的答案，因为它冬天下午4:30左右关门，夏天下午5:00左右关门。
Many people don't know the answer to this question, as it closes at around 4:30p. m in winter and 5:00p. m in summer.
他凌晨4:30去敲门唤醒罗布。
He went to knock Rob up at 4.30am.
游客中心每日上午8:30至下午4:30开放。
The Visitor Centre is open daily 8.30 a.m. – 4.30 p.m。
