大家在查：绿野滴漏溶出度 malnourished 不明智 dissatisfaction necessary information Duncan 法令 I's

老大难

na.long-standing, big and difficult
网络nagging problem,nuptially challenged; odyr; long-standing problem

老大难

nagging problem,nuptially challenged

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odyr

a 一aa 丝aaag 丝绒aaak 丝织aaan 丝绸aaar... ... odyh 都与 odyr 老大难 odyv 都已 ...

long-standing problem

习惯用语... ... person with superficial knowledge 二把刀 long-standing problem 老大难 force oneself to do sthing 硬着头皮 ...

Hard Nut

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big and arduous problem

什么意思_英语big_problem在线翻译_有道词典... ... big and arduous problem 老大难” That A Big Problem 这一个大问题 ...

chronic headache

...……往事不堪回首，看着自己原来的笔记本，十足血泪史啊。今天跟大家讨论一下笔记这个老大难（chronic headache）怎么 …

fdcw

a 工aa 式aaa 工aaaa 工aaad 工期aaae... ... fdcw 博古通今 fdcw 老大难 fddy 老太太 ...

例句：

Game fixing and bribery scandals have fueled widespread cynicism, and on-court fisticuffs have been a perennial problem .

操纵比赛与贿赂丑闻广受批评，球场暴力也成了老大难问题。

Living too far away, the staff are often late for work. It has been a big and difficult problem for a long time.

职工们住得太远了，免不了迟到，这是一个老大难问题。

It has been the big thing for a few years now, but it 's extremely hard to track .

这已经是好些年来的老大难问题，但是依然十分难去追踪它。

Although the IOC admits that "air quality remains a challenge" , it has acknowledged that Chicago is committed to a carbon -neutral event.

尽管国际奥委会认定 “芝加哥的空气质量仍是个老大难 ”，但它已认可了其在碳中和（1 ）上做出的巨大努力。

Marcus H higgins: Hey , what's up , Lenny? Buddy, I thought you were gonna start working out .

马库斯·希金斯：嗨，怎么了，伦尼？哥们，我还以为你把老大难问题解决了呢。

Unsafe injection practices are often viewed as a chronic problem with no easy solution .

人们往往以为不安全的注射做法是一个老大难问题，不容易解决。

The eviction next week can only be a short-term solution to a long-term problem .

下周的驱逐行为仅仅是为这个老大难问题提供一个暂时的解决办法。

The government has put it on its agenda to deal with the "long-standing, big and difficult " problem of the three cross-harbour tunnels .

无论前路如何，政府把三条隧道的「老大难」问题，提上解决日程，算是一个积极取态。

A few ruffian begin chummery make a target , only poor clever boy or long-standing .

同宿舍几个光棍开始搞对象了，唯有瘦猴还是老大难。

The airtight function of chromium plating for piston rod is a knotty technical problem for aircraft factories.

活塞杆镀铬层的气密性问题，是航空工厂长期存在的一个老大难问题。

Neither the LDP nor the opposition appears to have the solution to Japan 's problem over the past 15 years: slow growth .

无论是自民党还是反对党，似乎都拿不出解决经济增长缓慢这一日本过去 15 年来老大难问题的办法。

The Mideast conflict is really a hot potato for all politicians around the world .

中东冲突对世界所有的政治家来说都是个老大难的问题。

In units beset with long-standing difficulties, the basic problem is timid leadership.

“老大难 ”单位，无非是这么个问题。

But they didn't observe the terms. If supply of materials went more or less tolerable, the supply of equipment chronically frustrated.

即使原材料的供应或多或少能够满足要求，仪器设备的供应则是一个长期的老大难问题。

School moral education produces little practical results . That is a very difficult problem perplexing the educational circles.

学校德育实效性低靡是困扰教育界的老大难问题。

There remains that old problem about the end of the explanatory chain .

解释链的最后一环，这个老大难问题一如既往。

Being single is a problem that affects a great number of people .

对很多人来说，单身问题是个老大难。

Zhang Zhizhong: "I am afraid the work of Chinese Language Teaching in general is considered as a 'headache'. "

而作文教学恐怕又是语文教学中的一个 ‘老大难 ’。

It 's an age-old struggle: How do businesses justify IT expenses ?

这是个老大难问题了：业务如何为 IT 开支辩护？

Landslides caused by heavy rain are a chronic problem .

暴雨引起的山体滑坡一直是个难以解决的老大难问题。

Turbine oil system cleanliness solution has been the chronic problem of all plants.

解决汽轮机油系统清洁度的问题一直是各电厂老大难问题。

First , traffic jam has been an age old headache in Beijing .

第一，交通拥塞是北京一直以来的老大难问题。

Then the old dilemma of whether and how to make formal forecasts arises .

然后，是否以及如何做出正式预测的老大难问题又出现了。

The problem is a chronic one.

这可是个老大难问题了。

老大难

老大难