Secure knowing that he had already mastered one of the toughest topics in the course, the teen went on to do well in the class.
在确认自己已经掌握了代数课程中最艰深的章节后，这位少年后来的学习一直都不错。It is one of the most mathematically complicated subjects among the "sciences" , as difficult as quantum physics.
它成了“科学”中从数学意义上讲最为繁复的学科之一，与量子物理学同样艰深。Why does he have to wrap it all up in such complicated language?
他为什麽非得用这麽艰深的语言说话呢？Such considerations and calculations can be quite complex; hence the need for an expert with the requisite esoteric knowledge.
这些考虑和计算可能相当复杂，需要听取掌握必备艰深知识的专家的意见。Zhen Cai possesses sound professional knowledge and solid legal experience in construction projects, intellectual property, customs etc.
蔡真律师在建筑工程、知识产权、海关等业务方面具有艰深的专业知识和丰富的法律经验。He also had a headache over a dozen hard subjects on the new semester's curriculum.
新学期课表上一些艰深的课程也令他头疼不已。It was too difficult for us to understand at the time, but he still liked doing it.
虽然这些作品过于艰深，幼年的我们在当时还无法理解，但父亲就是很喜欢这样读给我们听。The suicide note, like suicide itself, can run the gamut from clear lucidity to complete concealment of the reason behind it.
正如自杀行为本身一样，自杀遗言也可以明白如白话或晦涩艰深，让人难以明了背后隐藏的原因。QUESTION: I've been told that, if I use some big and long words, I will get a better grade. True?
我曾经听说，用艰深或是字母长的字，就能得到较高的分数，请问这是真的吗？。