The easiness and difficulty of photography;
谈摄影的“易”与“难”
By defining and analizing the essence and internal motive force or the difficulty and beauty of competitive gymnastics,it shows that the unity between difficulty and beauty of competitive gymnastics is dialectical.
本文通过对竞技体操的内涵、发展的内部动力及竞技体操“难”与“美”的界定与分析 ,论证了竞技体操难与美的辩证统一关系 :难是竞技体操的生命 ,美是竞技体操的灵魂 ,竞技体操难与美的矛盾斗争运动推动其向前发
Difficulties encountered and countermeasures adopted on river-crossing section for a shield driving from Luntou to Daxuecheng;
仑-大区间隧道过河段盾构掘进难点及措施
Difficulties and Recommendations on the Campus Network Management;
校园网络管理难点及对策研究
Difficulties of Old Single Men s Remarriage and the Countermeasures;
试谈单身老人再婚的难点与对策
The hardness of compacting and blocky magnetite is high and the magnetite has big plasticity,so the magnetite is a kind of tough shooting ore.
致密块状磁铁矿坚硬,同时又具有较大的塑性,属于难爆矿石。
Test research on beneficiation of refractory oolitic hematite in hebei area;
河北某地难选鲕状赤铁矿选矿试验研究
Study on extracting gold from fine-grained and disseminated refractory gold ore in a certain mine of Shanxi Province;
微细粒浸染型难选金矿石提金工艺研究
problems of housing, traffic and communication
住房难,行路难,通讯难
be inextricably involved (in a dispute) or locked in a struggle | be sentimentally attached to each other
难分（解）难解（分）
Thus, rules are hard not to be broken.
难怪，不逾矩很难。
Keeping is harder than winning.
创业难，守业更难。
uncountable difficulties
无数的难题[困难]
In deed it is hard to take hare with fox.
使狐捕兔，难上难。
beyond belief or understanding.
难以置信或者难以理解。
(informal) impressively difficult.
（非正式）令人难忘的困难。
relieve suffering, hardship, etc among refugees
解除难民的痛苦、 苦难等
The suffering of the refugees makes her heart sore.
难民的苦难使她心痛。
Such travelling is harder than scaling the blue sky.
蜀道之难难于上青天！
hold a wolf by the ears
骑虎难下，进退两难
financial distress
财政困难,资金困难
an elusive word
难捉模的，难记忆的（词）
But yet for a while do I leave thee now!
离别虽短暂，难舍又难分！
A hero is never put off by difficulties.
困难难不倒英雄汉。
We can Bear the cross But not the double-cross.
苦难可忍,欺骗难容。
Ever-Changing and Indescribable Beauty
四季变幻 难画难诗