1·I eat lunch at twelve o 'clock.
我十二点吃午饭。
2·Twelve o 'clock is too late.
十二点是太晚了。
3·I have lunch at twelve o 'clock.
我在十二点吃午饭。
4·In twelve o 'clock, I have lunch.
在十二点，我有我的午餐。
5·Nick: Well... About twelve o 'clock.
尼克：嗯…大约十二点。
6·My kid will be back at twelve o 'clock.
我的孩子十二点钟就回来了。
7·He stayed there until twelve o 'clock.
他在那里一直呆到十二点钟。
8·It's tomorrow at twelve o 'clock, right?
是明天12点吧？
9·B: It's tomorrow at twelve o 'clock, right?
b：是明天12点吧？