at 7:30 (seven thirty)

Let's make it half past seven.

那我们就定在7点半吧。

I used to have breakfast at half past seven.

我总是7 点半吃早餐。

There is a Peking opera at 7:30 p.m. tonight.

今晚7点半有一场京剧，

It's 7: 30 now.

现在是7 点30 分。

He turned in at 9.30 and slept till 7.

他9点半上床睡觉，一直睡到7点。

I finished at about six. I went home at seven thirty.

我大约6 点结束工作。7 点半到家。

"You will be here at7:30tomorrow.""All serene."

“你明天早上7点半来这里。”“一言为定。”

The news broadcast will be at 7.00.

新闻广播将在7点开始。

They started at 7 o' clock prompt.

他们在7点钟准时出发。

At the administration's call, police gradually chased students back to the school until traffic was able to move again around7:30.

在校方一再劝诱下，和公安的疏导下，学生逐渐返回学校，一直到晚上7点半，公路才勉强通车。

I had lunch at half past twelve.

我在12点半吃的。

You are cordially invited to a party to be given at our institute at 7:30 p. m. Dec. 2.

我院于12月2日晚7点半举行晚会，敬请光临。

I'm going to the theatre with PD at 19: 30 on 14th May.

我将于5月14日晚上7点半和PD一起去看戏。

Swissair flight 135 will take off from Heathrow at 7:30 p. m .

瑞航135班机将于下午7点半自希思罗机场起飞。

Closed beta will end at6 pm on July7. Open beta will begin at2 pm on July9.

内测将在7月7日下午6时结束，外测将在7月9日下午2点开始。

I'll finish working at about six o'clock and get home at seven.

我将在6 点左右结束工作，7 点钟到家。

What are you doing calling me at 7:00 in the morning ?

你在搞什么？ 早上7点打电话给我？

A table for two in non-smoking section at 7 pm,

晚上7点需要一张两人桌，在无烟区，