1.tremble的基本意思是“发抖,颤抖”,表示人或动物因恐惧、强烈的感情或寒冷等原因而身体轻微、快速地抖动,主要用作不及物动词,有时也可用作及物动词。用作不及物动词时,常接with,表示“因…而发抖”,主语通常是人,介词with引起的短语表示原因。
2.tremble的现在分词trembling可用作形容词,在句中作定语,意思是“颤抖的”。

tremble at(v.+prep.)
被…吓得发抖 show fear of (sth) as by shaking
▲tremble at the thought (of sth/v-ing)
I tremble at the thought..我一想到这个就发抖。
I'm trembling at the thought of tomorrow's examination.一想到明天的考试我就吓得发抖。
He trembled at the thought of going back to work.他一想到回去工作就发愁。

tremble for(v.+prep.)
为…担忧 be very worried about (sth or sb)
▲tremble for sb/sth
I trembled for you.我为你担心。
I tremble fot his safety.我非常担心他的安全。

tremble in the balance(v.+prep.+n.)
尚未决定,处于紧要关头 be not yet decided
His fate was trembling in the balance.他的命运处于危急状态。
The fate of the nations trembled in the balance while the two arms fought a bitter battle.两军在激烈交战,这两个国家的命运如何还难下定论。

tremble with(v.+prep.)
因…而发抖; 焦虑不安 shake; be in state of agitation
▲tremble with sth
The children waited outside the school, trembling with cold.孩子们在外面等着,冻得发抖。
The children trembled with fear when they saw the policeman.孩子们见到警察时吓得发抖。
His voice trembled with emotion.他的声音因激动而颤抖。
His hands trembled with eagerness as he opened the letter.他拆信时因急切而双手发抖。
Daddy was trembling with anxiety as to how the talks would go.爸爸为那些商谈的进展而焦虑不安。
The fishermen's wives trembled with their husband's safety.渔民的妻子们为丈夫的安全而焦虑不安。

用作不及物动词
▲S+～(+A)
The room is warm now, but he is still trembling.房间里现在暖和了,但他仍然哆嗦。
People tremble when they are cold, excited or full of fear.人们在寒冷、激动或恐惧的时候,身体会发抖。
His voice began to tremble and tears came to his eyes.他的声音开始发抖,泪水涌到眼里。
The old lady's hands trembled as she produced her passport.老太太出示护照时两手颤抖。
His hands trembled slightly as he reached for the instrument.他伸手拿仪器时,手微微颤抖。
The flags trembled in the gale.旗帜在大风中飘扬。
The whole house trembled as the train went by.火车经过时,整座屋子都在震颤。
The bridge trembled as the train went over it.当火车从桥上开过时,桥身随之颤动起来。
I trembled to think what might have happened.我一想到本来可能发生的事就不寒而栗。
I tremble to think of the consequences.我为可能产生的后果而担心。
I tremble to think what's going to happen.想到即将要发生的事情,我就感到非常焦虑。
其他
Soon Gretel looked up and said in a trembling voice.格雷特尔很快抬头看了看,哆哆嗦嗦地说起话来。

tremble, quake, quiver, rock, shake, shiver
参见shake条。

tremble还可用作名词,意为“颤抖”。例如:
There was a tremble in her voice.她声音颤抖。

［同义词］   shake
［词源］＜拉丁语tremulus(颤抖)＜tremere(震动)