have one's head screwed on (the right way)

(informal)have common sense

(非正式)有見識；頭腦清醒

have a screw loose

(informal)be slightly eccentric or mentally disturbed

(非正式)古怪；神經不正常

put the screws on

(informal)exert strong psychological pressure on (someone) so as to intimidate them into doing something

(非正式)給（某人）施加心理壓力；強迫（某人）

a turn of the screw

(informal)an additional degree of pressure or hardship added to a situation that is already extremely difficult to bear

(非正式)困難情況下又添加的壓力；雪上加霜

turn (或 tighten) the screw (或 screws)

(informal)exert strong pressure on someone

(非正式)施加壓力

screw someone over

(informal)treat someone unfairly; cheat or swindle someone

(非正式)歧視；欺騙

screw someone up

(informal)cause someone to be emotionally or mentally disturbed

(非正式)使受刺激；使緊張

this job can really screw you up.

這份工作真能使你精神緊張。

screw something up

crush a piece of paper or fabric into a tight mass

把紙（或織物）揉成一團

(informal)cause something to fail or go wrong

(非正式)使失?。皇钩鰡栴}

why are you trying to screw up your life?.

你為什么要把生活搞得一團糟？。

summon up one's courage

鼓起勇氣

now Stephen had to screw up his courage and confess.

現(xiàn)在斯蒂芬不得不鼓起勇氣承認。

screw around

&I{Slang} To act or fool around aimlessly or in a confused way and accomplish nothing.

&I{【俚語】} 虛度：無目的地或以糊涂的方式行動或干傻事，什么也沒有完成

&I{Vulgar} &I{Slang} To be sexually promiscuous.

&I{【粗俗用語】} &I{【俚語】} 亂交

screw up

To muster or summon up

召集或號召

screwed up my courage.

鼓起我的勇氣

&I{Slang} To make a mess of (an undertaking).

&I{【俚語】} 把（事業(yè)）弄糟

&I{Slang} To injure; damage

&I{【俚語】} 傷害；破壞

Lifting those boxes really screwed up my back.

抬這些箱確實令我的背部受到損傷

&I{Slang} To make neurotic or anxious.

&I{【俚語】} 使心情煩亂或緊張

have a screw loose&I{【俚語】}

To behave in an eccentric manner.

行為非常古怪

To be insane.

神經不正常