1.
The Curriculum Exploitation of Vocational Education Based on Hard-speaking Characteristic of Technical Knowledge;
基于技术知识难言性特点的职教课程开发
2.
Cultural dissimilarity brings difficulty to language learning.
文化的差异性为语言学习带来了困难。
3.
A Qualitative Psychological Analysis of the Rumors Appeared after A Disaster: The Evidence from the Rumors Appeared after "5·12 Wenchuan Earthquake"
灾难后谣言传播心理的定性分析——以“5·12汶川地震”谣言为例
4.
Typological Universals and the Prediction of Difficulty in Second Language Learning;
类型普遍性理论对第二语言学习困难的预测
5.
On the Similarities Between English and French Circumventing French Beginners
论英法语言的相似性对法语初学者造成的困难
6.
a difficult problem, language, translation
难题、 难学的语言、 难做的翻译
7.
The human plagiarism which is most difficult to avoid, for individuals… is self-plagiarism.
人类的剽窃习性最难避免，对个人而言有时还会自我剽窃。
8.
A Psycholinguistic Analysis on English Reading Difficulty of Chinese College Students;
中国高校学生英语阅读困难的心理语言特性分析
9.
Double Sufferer of Wife-Concubine Lineage System and the Second Sex;
嫡庶制度与弱势性别的双重受难者——探春言行结局的深层心理分析
10.
Such rumors die hard
这种谣言难以断绝。
11.
So then it was too late to retract.
但一言既出，驷马难追。
12.
Even four horses cannot take back what one has said.
一言既出, 驷马难追。
13.
A word spoken is past recalling
一言既出,驷马难追
14.
Once words have left a man's mouth,he can't catch them even in achariot.
一言既出，驷马难追。
15.
Vain beyond imagination.
得意之情难以言表。
16.
A word is like a bird: when he has sent it forth, a man cannot recapture it .
言出如飞鸟，一纵难再擒。
17.
Your kindness quite overwhelms me.
你的好意使我感激难言。
18.
I was overwhelmed by his generosity.
他的慷慨令我感激难言。