1·I'll call you up about seven o 'clock.
我7点钟左右给你挂电话。
—— 《新英汉大辞典》
2·At seven o 'clock, we went home.
在七点的时候,我们就回家了。
3·ABC Hall, seven o 'clock Tuesday.
ABC大厅,七点整,星期二。
4·Seven o 'clock, Tuesday.
七点整,星期二。
5·Dashan: Oh, look. It's seven o 'clock.
大山:哎呀,瞧,都7点了。
6·How about tomorrow night at seven o 'clock?
明天晚上七点如何?
7·It is seven o 'clock.
现在是七点钟。
8·We usually have supper at seven o 'clock.
我们通常七点吃晚饭。
9·Rumei: Tomorrow morning at seven o 'clock.
如梅:明天早晨7点。
10·We start at seven o 'clock in the morning.
我们上午七点就开始出发了。