It usually takes me more than three weeks to prepare a good impromptu speech.

A witty impromptu must not sound premeditated.

一段诙谐的即兴表演不能看起来像提前准备过的.

This afternoon the Palestinians held an impromptu press conference.

今天下午巴勒斯坦方面临时召开了记者招待会。

This was an impromptu affair ,'explained the Rat.'By the way — my friend Mr. Mole.

“这次野餐是临时动议的,”河鼠解释说, “ 来,介绍一下,这位是我的朋友鼹鼠. ”

There were also comedy acts, impromptu skits , and DJ music to fill the lulls between acts.

也有充满在行为之间的间歇的喜剧行为, 即兴之作若干, 和DJ音乐.

I can make impromptu speeches even on topics about which have almost no information.

您即使对几乎一无所知既题目都能够作即席演讲.

The following day Coetsee paid an impromptu unannounced visit to the world's most famous political prisoner.

翌日,科特西在没有预先声明的情况下,即兴走访了这位世上最著名的政治犯.

They presented impromptu items to greet the distinguished guests.

他们临时表演节目来欢迎贵宾.

The children put on an impromptu concert for the visitors.

孩子们为来访者即兴献上了一场音乐会。

The President an impromptu press conference.

总统“临时”举行记者招待会.

Piano accompaniment for vocal music falls into two types: impromptu and written.

摘要声乐的钢琴伴奏,分为即兴伴奏和正谱伴奏两大类.

Impromptu remarks made after delivering the speech.

他善于发表即席演说.

She played a tune impromptu.

她即席演奏了一曲.

We're having an impromptu meeting!

我们在开一个临时会议!

It usually takes more than three weeks to prepare a good impromptu speech.

一般我要花费三周以上来准备一个好的即兴演讲.

Although they tried very hard, they failed on the verge of success because of improper approach.

他们付出了很大的努力, 但终因方法欠妥功败垂成.

Is it improper for such doing?

这么做有什么不好哇?

Take the following precautions to prevent injuries caused by the improper handling of compressed gas cylinders.

提高如下警惕,以防止错误操作压缩气体钢瓶造成的伤害.

The committee concluded that the senators had engaged in improper conduct.

委员会断定议员们从事了不正当活动.

Assisting to examining, appraising the status of safety system and correcting improper performance.

协助调查 、 评估与完善安全体系的状态与绩效.

He would never be improper, he is always the perfect gentleman.

他总是举止得体，一直是个完美的绅士。