1.
Love-seeking and Lovelessness--on the difficult subjects in novels of Zhang Ailing;
谋爱与无爱——论张爱玲小说中的两难命题
2.
The Realistic Difficulty and Dilemma of the Equity in College Entrance Examination Proposition;
高考命题公正的现实困境与两难选择
3.
Lu Xshun in Revolutionary Contestation;
“有机”革命的两难——革命论争中的鲁迅
4.
paradox of prisoner's dilemma
囚徒两难问题的悖论
5.
What is Proposition--From Two Kinds of the Approaches to Study the Proposition;
什么是命题——从两种命题处理方案来看
6.
Some Inverse Examples about the Converse Propositions of Two Propositions in Algebra;
域的理论中两个命题的逆命题的反例
7.
Two Nature Propositions of Characteristic Function and the Converse Proposition
特征函数的两个性质命题与其逆命题
8.
I see conundrums, dilemmas, quandaries, impasses, gnarly thickets of fateful possibility with no obvious way out.
眼看问题经纬万端，进退两难、入困境，死路一条，盘根错节的命定可能性，但找不到明显的出路。
9.
"Right of Revolution" and "Universal Suffrage"--The Dual Historical Choice of the International Socialist Movement of and the "Dilemma" Practical Issues
“革命权”与“普选权”——国际社会主义运动的双重历史选择与“两难”实践课题
10.
Surely her sister was not destined to share her own fate?
难道两姊妹就连命运也要相同么？——
11.
Less-lethal Weapons: the Difficult Choice of British Police;
低致命性武器:英国警方的两难选择
12.
They saw these questions as posing a problem, not a dilemma.
他们认为上述问题是个难题，但并非进退两难。
13.
A Proper Way in Legal Theory to Crack the Hard Nut of "Similar Lives But with Different Values";
破解“同命不同价”难题的理论路径
14.
A Re-explanation of the "Needham Thesis":On the Questions of the Paradoxes from Cause/Effect and Alternative Propositions;
重释“李约瑟命题”(续)——论因果和选言命题的二难推论问题
15.
The Transcendence of the Two Difficult Choices of Life Morality in the Course of History;
生命道德的两难选择在历史进程中的超越
16.
On Determinations Between “Predestination” and “Life Occurrence” in the Novel “Romance of The Three Kingdoms”;
试论《三国演义》在“天命”和“人事”之间的两难抉择
17.
In solving that problem, they are between the devil and the deep sea.
在处理那个问题上，他们进退两难。
18.
A difficult problem or two occupied his mind.
有一两个困难问题在他心里回旋。