Generally speaking, periphrasis can be defined, as the substitution of longer, multi-word expressions for single words.

一般而言，迂回表达可以定义为以多词表达代替单个词的用法。

youdao

At this stage, children are heard uttering two-word expressions in a variety of combinations; express a certain variety of grammatical relations.

这个阶段， 儿童所说的双语句的组合方式是多样的，通过词序表达许多不同的语法关系。

youdao

For some expressions, we use the first letters of the words instead of saying each word.

对于一些表达，我们使用单词的首字母，而不是每个单词都说。

youdao

They smile and they kiss. In the English language, there are many expressions using the word mouth.

VOA: special.2010.06.20

Most of the time, we're going to be doing expressions inside of some piece of code, inside of a script, which is the Python word for program.

大多数情况下，我们会在一些代码内部,写一些表达式，在一个脚本里面，也就是Python里面对程序的另一种叫法。

麻省理工公开课 - 计算机科学及编程导论课程节选

That is why the word heart is used in so many expressions about emotional situations.

VOA: special.2010.07.18

At the bomb site in Oklahoma City survivors wore expressions of joyous incredulity as the word "guilty" echoed 11 times across the grounds.

CNN: For many, verdict means justice