1.deliberate的基本意思是指缓慢而仔细地思考或推测,公正地考虑各方面情况,以求对公众感兴趣的问题作出结论。引申可表示“研讨”“商讨”。
2.deliberate可用作不及物动词,也可用作及物动词。用作及物动词时,不接动名词或动词不定式作宾语,但可接由疑问词引导的动词不定式或从句作宾语; 用作不及物动词时,常与about, upon, over等介词连用。

deliberate about〔on, over〕 (v.+prep.)
〈正〉仔细考虑(某事) consider (sth) at length and with care
▲deliberate about〔on, over〕 sth/wh-clause
The committee have been deliberating about the question of the appointments.委员会一直在讨论职位任命的问题。
They have deliberated on the details to finish the work on time.为了按时完成这项工作,他们仔细商讨了各个环节。
You should deliberate over the question before you respond to it.回答问题之前你应该慎重考虑。
The government is deliberating about what should be done to resolve the problem.政府对如何解决这一问题进行了慎重考虑。

用作不及物动词
▲S+～(+A)
Don't be deliberating again.别再考虑了。
The jury deliberated for four hours before bringing a verdict.陪审团在裁决前商议了四小时。
用作及物动词
▲S+～+n./pron.
Congress deliberated the question of raising taxes.国会讨论提高税收的问题。
They were deliberating the plan then.那时,他们一直在商讨那份计划。
▲S+～+wh-to-v
We should deliberate what to do tomorrow.我们应该考虑一下明天做什么。
We were deliberating whether to buy a new car.我们在商讨是否买一部新车。
I deliberated whether or not to accept her offer.我仔细考虑了是否接受她的提议。
▲S+～+wh-clause
They were deliberating how it might be done.他们在商讨如何去实施。
We are deliberating whether we should conclude the bargain with them.我们在慎重考虑是否与他们订约。

［同义词］ adj. careful, considered, designed, thoughtful
［反义词］ adj. chance, unintentional
［词源］＜拉丁语deliberare(仔细考虑的)

用作定语
▲～+n.
 He told us a deliberate lie.他故意跟我们撒谎。
He did it in a deliberate manner.他以慎重的态度来做这件事。
The old man stood up in a very deliberate way and left the room.这位老人不慌不忙地站了起来,然后离开了房间。
用作表语
▲S+be+～
 His insult was deliberate.他的侮辱是有意的。
▲S+be+～+prep.-phrase
 He was deliberate in his speech and action.他谨言慎行。
He was very deliberate in making the decision.他非常慎重地作出决定。