the common good

the benefit or interests of all

公益

it is time our elected officials stood up for the common good.

該是我們選出的公務員們維護公益的時候了。

common ground

a point accepted or shared by each of two or more conflicting or differing parties

（沖突矛盾雙方或多方承認的）共同立論基礎

artists from different cultural backgrounds found common ground.

有著不同文化背景的藝術家們找到了共同基礎。

common knowledge

something known by most people

大多數人都知道的事，眾所周知之事；常識

common or garden

(Brit. informal)of the usual or ordinary type

(英，非正式)平常的，普通的，平凡的

Britain's common or garden house sparrow.

英國的普通家雀。

common property

a thing or things held jointly

共同財產；公共財產

the common touch

the ability to get on with or appeal to ordinary people

平易近人的能力；與普通人相處（或打動普通人）的能力

have something in common

have a specified amount or degree of shared interests or characteristics

有共同之處（或興趣、特征）

the two men had little in common.

這兩個人沒什么共同之處。

in common with

in the same way as

與…一樣，與…相同

in common with other officers I had to undertake guard duties.

和其他軍官一樣，我不得不承擔警戒任務。

out of the common

(Brit.)rarely occurring; unusual

(英)不平常的；非同尋常的

in common

Equally with or by all.

一樣，同樣：與所有的都相同地