Don't worry about the grammar, just learn this as a set phrase.
别管语法，只要把这个作为固定词组来学习即可。
1.成语;陈套
1.a phrase which does not vary and whose meaning is different from the literal combination of its parts, e.g. "the apple of somebody's eye" or "make waves"
1.Don't be nervous. It is just a set phrase.
别紧张，别紧张。这是一个成语。
2.They remind me of a set phrase.
我想到了一个成语。
3.It reminds me of a set phrase.
我倒是想起了一个成语。
4.From this story, people have derived the set phrase "high mountain and running water" to refer to understanding and appreciative friends.
从这个故事中，人们用成语“高山流水”来形容知音。
5.idiom, idiomatic expression, phrasal idiom, phrase, set phrase.
固定词组，固定词组，成语，成语。
6.You are right. The set phrase "luo yi bu jue" describes an endless flow of traffic.
韩佳：没错。“络绎不绝”这个成语是用来形容行人车马来来往往、连续不断。
7.The set phrase "luo yi bu jue" means an endless flow of traffic.
“络绎不绝”这个成语是用来形容行人车马来来往往连续不断
8.The set phrase "yi qu tong gong" literally means that two different tunes both sound wonderful.
韩佳：“异曲同工”这个成语是说不同的曲调同样好听。
9.A set phrase is always fixed.
成语呢是固定格式的。
10.The set phrase means that a work of art is depicted very vividly, like the real thing.
经常会用来形容美术等文艺作品对事物的刻画非常准确，就好像真的一样。