He commands a large vocabulary of English.

If you are less at ease in it, I will aid you.

如果你在这方面还不能运用自如, 我可以帮助你.

Jenny put down her newspaper and looked at him with new interest.

詹妮放下报纸,重又兴致勃勃地望着他.

They both spoke with animation.

他们兴致勃勃地说着。

Only when the actors have their lines ( down ) pat can we practice the play effectively.

只有当演员把台词背得滚瓜烂熟时,我们排戏才会有成效.

Only when the actors have their lines ( down ) pat can we practise the play effectively.

只有演员把台词背得滚瓜烂熟,我们排练戏剧才会有效.

Sam is a walking dictionary. He looks as if he knows the whole dictionary by heart.

山姆是个活百科全书. 似乎他已经把字典背的滚瓜烂熟了.

He memorized many Tang poems thoroughly.

他能把许多唐诗背得滚瓜烂熟.

All the actors know the play backwards.

所有演员对这戏都滚瓜烂熟.

He knew the whole poem off by heart.

他把那首诗背得滚瓜烂熟.

The child rattled off the poem he had learnt.

那孩子把学到的那首诗背得滚瓜烂熟.

I will get off the passage by heart.

我要把这一段背得滚瓜烂熟.

The boy rattled off the poem he had learnt.

那个男孩将他学到的那首诗背得滚瓜烂熟.

The actor had his lines down cold.

这演员把台词背得滚瓜烂熟了.

The student said over the text until he knew them perfectly.

那个学生反复背课文直到背得滚瓜烂熟.

Arowana could be traced back to the Dinosaur period , and they survived from various disasters.

它是与恐龙同一时代、尽沧海桑田 、 过各种劫难而侥幸生存下来的动物.

The future always brings change . But at Goldstar our formula for customer satisfaction remains consistent.

沧海桑田,世事多变; 但对金星公司来说,使顾客满意的宗旨将始终不渝.

Time brings a great change to the worlds.

沧海桑田.

The turbulent economy has shaken lucrative news-stand sales in particular.

尤其是动荡的经济动摇了有利可图的报摊销售.

They created and took advantage of rising property values and thought in terms of profitable business.

他们不断创造财富,并利用这些财富,心中筹划的是有利可图的事业.

Of course, the investment was a good one.

当然, 这一回投资是有利可图的.