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)使失敗；使出問題

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）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