1、ordinary

平常的；普通的；一般的；平凡的

I strongly suspect that most ordinary people would agree with me.

我堅定地認為絕大部分老百姓會贊同我的觀點。

It has 25 calories less than ordinary ice cream.

它所含熱量比普通的冰激凌少了25卡路里。

平庸的；平淡無奇的

I'm just a very ordinary, boring normal guy.

我只是一個頗為平庸無趣的普通人。

Your life since then must have seemed very ordinary.

你的生活從那時起一定非常平淡無奇。

不尋常的；非凡的；特殊的

The boy's knowledge was out of the ordinary.

這個男孩懂得的知識非比尋常。

I've noticed nothing out of the ordinary.

我沒注意到什么特別之處。

2、common

常見的;普遍的

His name was Hansen, a common name in Norway.

他的名字叫漢森，在挪威是一個常見的名字。

Oil pollution is the commonest cause of death for seabirds.

石油污染是造成海鳥死亡最常見的原因。

共有的;共同的

Moldavians and Romanians share a common language.

摩爾達維亞人和羅馬尼亞人使用同一種語言。

Such behaviour is common to all young people.

這種行為在年輕人中司空見慣。

尋常的;普通的

Democracy might elevate the common man to a position of political superiority.

民主也許能提升普通人的政治地位，讓他們產(chǎn)生優(yōu)越感。

Common salt is made up of 40% sodium and 60% chloride.

食鹽由40%的鈉和60%的氯化物構成。