高级表达可以用英语称为 advanced expression. 它来自英语中的形容词 advanced, 意思是"高级的"。
例句：
The professor's lecture on quantum mechanics was filled with advanced expressions and concepts.
(教授的量子力学讲座里充满了高级表达和概念。)
He was impressed by the advanced expressions and techniques used by the young artist in his paintings.
(他对年轻艺术家在他的画中使用的高级表达和技巧印象深刻。)
The lawyer used advanced expressions in his closing argument to persuade the jury.
(律师在结束陈词中使用了高级表达来说服陪审团。)