带on的短语：
on display/show 展出，陈列
This is the best dress on display/show. 这是展出的最好的衣服。
on business 因公（与for pleasure相对）
Last month he went to New York on business and had little time to visit friends.
on foot 步行（与by bus，by car，by air等相对）
I usually go to work by car, but this morning I went on foot.
on duty 值班，值班的
It was Sunday and there was only one doctor on duty.
on the whole 总的看来，总的来说，大体上
On the whole, he is a hard-working student.
on fire 起火，着火
Soon the whole building was on fire.
on purpose 故意地，有意地，特意地（与by chance相对）
They have come here on purpose to see you.
She broke the vase on purpose.
on the average 平均，通常
On the average, he works more than ten hours a day.
on any account 无论如何，不管怎么说（通常用否定句）
Do not interrupt him on any account.
You mustn’t on any account sign the contract before you read it.
on second thought(s) 经重新考虑后（thought用单数或复数均可）
I intended to go to the party, but on second thought(s), I decided to stay at home.
发表于 2012-9-27 10:44:01
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