at a meeting的用法和樣例：
例句
- "Don't say yes at a meeting and go back on your words and say no after it."
"不要開會時贊成，會後又反悔說不贊成。" - He generally keeps silent at a meeting.
他通常在會上保持沉默。 - Mr Hood said that he would have to go on, as he was due at a meeting at eleven o'clock.
胡德先生說由於他11點鐘要出席一個會議，得先走一步了。 - I'm sorry I'm late; I was at a meeting and couldn't get away.
對不起，我來晚了。剛才我在開會，不能脫身。
