1、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，讓他們產生優越感。

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。

2、screw up

瞇起(眼睛);扭曲(面部)

She had screwed up her eyes, as if she found the sunshine too bright.

她瞇起了眼睛，好像是覺得陽光太刺眼。

Close your eyes and screw them up tight.

合上眼睛，閉緊。

把(紙)揉成一團

He would start writing to his family and would screw the letter up in frustration.

他會提筆給家人寫信，卻常常懊惱沮喪地又把信紙揉成一團。

He screwed up his first three efforts after only a line or two.

前 3 次他只寫了一兩行就把紙揉成了一團。

弄糟;搞亂;毀壞

You can't open the window because it screws up the air conditioning.

你不能打開窗戶，那樣空調就不起作用了。

Get out. Haven't you screwed things up enough already!

滾出去。事情給你搞得還不夠糟啊！