1.
By using mnemonics we can remember problem words.
用记忆法可以记住难词
2.
Differentiation and Rectification of Explanations of Knotty Yuan Opera Expressions in Chinese Dictionary;
《汉语大词典》之元曲疑难词语释义辨正
3.
Selected Explanation about the Amusing and Difficult Term of Concealing Solid and Expressing Emptiness Found in the Dictionary of Haerbing Dialect;
《哈尔滨方言词典》之隐实示虚趣难词类析
4.
an elusive word
难捉模的，难记忆的（词）
5.
Problems in Vocabulary Teaching--Homophones and Homomorphous Words;
词汇教学中的难点——近音词和形近词
6.
Some words are hard to define.
很难对有些词下定义。
7.
The difficult word sent me to my dictionary,ie to find its meaning.
这个词把我难住了,只好去查词典.
8.
It's difficult to draw a distinction Between the meanings of these two verbs
这两个动词的词义很难区别。
9.
The difficult word sent me to my dictionary, ie to find its meaning.
这个词把我难住了，只好去查词典。
10.
Effects of part of speech, word category and word frequency on difficulty and reaction time of Chinese Words Reasoning Test;
语词推理测验的词性、词类和词频对项目难度和反应时间的效应
11.
Definitions should not be more difficult to understand than the words they define.
词语的定义不应比所解释的词语更难理解.
12.
Definition should not is more difficult to understand than the word they define
词语的定义不应比所解释的词语更难理解
13.
Definition shall not is more difficult to understand than the word they define.
词语的定义不应比所解释的词语更难理解。
14.
A Tentative Study of L2 Lexical Difficulty and Grading of Lexical Difficulty Factors;
第二语言词汇难度及难度因素分级研究
15.
It is difficult at times to determine which is the principal or important term in a phrase.
在一个短语中,决定哪个词是主要词或重要词,有时是很困难的。
16.
Speaking in Defense of Su Dongpo s Lyrics;
苏词明体——论李清照《词论》对东坡词的批评难以成立
17.
Everyone has a few demon words.
每个人都会碰上几个古怪难记的词。
18.
(of words)be difficult or impossible to say
（指言词）难于启齿,说不出口