hard to understand，obscure，unclear in meaning，obscurity ；

[例句] 他的散文文笔有力、内容庞杂，有时几近晦涩。 His prose is vigorous and dense, occasionally to the point of obscurity.

[例句] 这首诗再怎么晦涩，至少有一点是清楚的。 Whatever its obscurities, the poem was clear on at least one count.

obscure，veiled，vague ；

[例句] “不一定，”她隐晦地说道。 "Not necessarily," she says cryptically.

[例句] 隐晦提到了他的反对者。 There were indirect references to his opponent.

dark and gloomy，tarnish ；

[例句] 邮票是晦暗的深蓝色。 The stamp was a dull blue colour.

[例句] 天气极其恶劣。寒风凛冽，天色晦暗，能见度极低。 The weather was at its worst; bitterly cold, with leaden skies that gave minimum visibility.

obscure，tenebrous，recondite ；

[例句] 记住了字母命令,用户成为超级用户,并为自己了解了那些晦涩的功能而心满意足. They became power users , memorizing the letter commands and gloating over their knowledge of obscure functions.

[例句] 我班上的学生中有些人写过描写 “ 内在的人 ” 的冗长而晦涩的短篇故事. Some of my class had written long, obscure stories portraying the " inner man ".

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[例句] 邮票是晦暗的深蓝色。 The stamp was a dull blue colour.

[例句] 这段微妙、晦暗的时期刚刚开始, 他就向国会作了 “ 伸出和平之手 ” 的演说. Early in this strange twilight period, he delivered his " outstretched hand " peace speech to the Reichstag.

clouding ；

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