Massachusetts Institute of Technology mathematicians have created a model to describe how these frustrating snarls form.

Although at times, learning a language was frustrating, it is well worth the effort.

尽管有时学习语言令人感到垂头丧气, 但它却完全值得你为之付出努力.

Standardization is an extremely valuable, most important, largely underestimated, and most frustrating activity.

标准化是一个极其有价值的重要活动, 它在很大程度上被低估, 困难重重.

Sometimes, however, he finds watching movies frustrating because the people speak too quickly.

然而, 有时候他发现看电影令人沮丧,因为那些人说得太快.

The day proved frustratingly unprofitable.

今天是劳而无功的一天，令人十分沮丧。

But the process is frustratingly slow.

但这过程慢得让人郁闷.

Some programs set this limit too close, resulting in frustratingly temperamental scroll behavior.

一些程序将这种限制设置得太窄, 导致滚屏的行为变幻无常,令人沮丧.

Poverty and unemployment are frustratingly hard to tackle.

贫穷和失业是难以解决的问题，这常常让人泄气。

Each arm had the extra security a buckle-belt, which was frustratingly difficult to do up one-handed.

每个手臂上都有系上了扣带做为额外安全, 用一只手来系上是一件困难地让人沮丧的事情.

He had to fight back tears of frustration.

他不得不强忍住失意的泪水.

His response is one of anger and frustration.

他的回答充满了愤怒和懊丧。

Given the levels of frustration acrosscountry, this is understandable. But it is also ill conceived.

在全国上下为此备感沮丧的情况下, 这样做是可以理解的,但这仍然是考虑不周的.

He vented his frustration on his wife.

他受到挫折却把气发泄到妻子身上.

However, I do want to make clear that I swore in frustration at the paparazzi's behaviour.

然而, 我希望表明我对狗仔队行为所带来的挫伤强烈的谴责.

As frustration the process grew, he began for a solution to the data exchange.

作为挫折感的过程中成长, 他开始寻找一个解决方案,自动数据交换.

He took his pent up frustration out on his family.

他把因挫败而郁积的怒气发泄在家人身上.

Attorneys aren't the only professionals who cause this kind of unnecessary frustration for their clients.

在职业人员当中,给其客户带来这种不必要的失望的,并不只有律师.

Their frustration and anger will manifest itself in crying and screaming.

他们用哭泣与尖叫表达自己的沮丧和愤怒。

Because of his frustration with the situation, he resorted to violence.

因为他对处境的失望, 而诉诸暴力.

The frustration we felt with the bureaucracy was based on solid reasons.

我们对官僚机构所感到的失望是有其确凿原因的.

Sitting at home would only have had him climbing the walls with frustration.

呆在家里只会让他沮丧得抓狂。