1、common

常见的;普遍的

His name was Hansen, a common name in Norway.

他的名字叫汉森，在挪威是一个常见的名字。

Oil pollution is the commonest cause of death for seabirds.

石油污染是造成海鸟死亡最常见的原因。

共有的;共同的

Moldavians and Romanians share a common language.

摩尔达维亚人和罗马尼亚人使用同一种语言。

Such behaviour is common to all young people.

这种行为在年轻人中司空见惯。

寻常的;普通的

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

民主也许能提升普通人的政治地位，让他们产生优越感。

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

食盐由40%的钠和60%的氯化物构成。

2、pull up

（车或驾车者）减速停下

The cab pulled up and the driver jumped out.

出租车减速停下，司机跳了出来。

把（椅子）拉到近处坐下

He pulled up a chair behind her and put his chin on her shoulder.

他拉过一把椅子坐在她后面，将下巴抵在她的肩膀上。

（使）突然停下；（使）猛地停住

Suddenly, he pulled up sharply in his stride, and fell to the floor.

突然，原本大步流星的他猛地停住了脚步，倒在了地上。

She recognized at the same instant Rachel's presence. It pulled her up short.

雷切尔一出现她就认出她来了，随即停下了手中的活儿。

提高；改进

We had a very good mathematics mistress who pulled me up.

我们有个很出色的女数学老师，她帮我提高了水平。

He was made redundant and now he's trying to pull himself up again.

他之前作为冗员被裁，现在他正试图再一次奋发图强。