往往

Try to do sth.,manage to do sth.,attempt to do sth.

意为"企图，试图"，指某人想尽办法去做某事，但结果往往是失败的。

We tend to forget what's in the attic.

我们往往会忘记阁楼里放着什么。

The participating artists of A+A are usually equated with audaciousness and courage, and they have become a pronoun for the Future and Development.

"A+A"的参展艺术家，往往与"无畏"与"有勇气"划上等号，同时他们也正在成为"未来"与"发展"的代名词。

But in judicial practice,the collection of the audible and video materials is so limited.

但是，在司法实践中，视听资料的收集往往受到很多限制。

These dazzling patterns in nature, called aurora australis in the

这种大自然的光秀，在南半球称为aurora australis ，系地球大气层外围的带电粒子与大气层上部的颗粒相撞而成，色彩往往令人叹为

A country which is ruled by a weak government often has a kind of"legislative autarchy"or"tyranny of the majority".

一个虚弱政府统治之下的国家往往又会导致一种"立法专制"或"多数的暴政"。

There is truth in such criticisms, but those who urge them often fail to realize the importance of applying scriptual principles authoritatively to current ethical questions.

有真理，在这样的批评，但那些敦促他们往往没有认识到重要的是，适用scriptual权威性的原则，以现行的道德问题。

On the mobile communication systems,a forward error correction or automatic repeat request scheme may be insufficient to achieve the desired performance due to the time-varying nature of the channel.

由于移动信道的时变和多径传输特性，常导致系统有较高的误码率，而单纯的FEC或ARQ机制往往无法提供所希望的系统性能。

However, when we are on autopilot, we often act unconsciously or habitually.

然而，当我们处于"自动驾驶"时，往往会无意识地或习惯地行动。

Typically, online aggregation algorithms on multi-dimensional data need additional auxiliary data for estimation, which make the performance of the storage and maintenance of the data cube worse.

以往在数据立方体上实现的联机聚集往往需要附加空间来存储联机聚集估算所需要的信息，极大地影响了数据立方体的存储和维护性能。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。