Sentence examples for what the expression from inspiring English sources

I have always wondered what the expression "teaching to the test" meant.

I said, 'Do you know what the expression means?' She said, 'No.' I just gave her euphemisms for erections.

I mention these columns to Julius, and he goes completely white: finally, I understand what the expression "visibly blanched" means.

Then he confessed that he could not remember exactly what the expression meant either.

The sense of an expression determines what the expression refers to.

I never knew what the expression "a twinkle in the eye" meant really; I couldn't visualise it until I met him, because his eyes did twinkle.

But none of the accounts in the literature seemed to explain satisfactorily precisely what the "expressions" in question were, nor the nature of the parallel between them and how it supported an inference.

"What are they wearing, what is the expression on their face?" she asks.

"What's the expression on your face, what's the tone of your voice?

To what does the expression "Native power" refer, and what are some examples of it in the article?

In the upstream 2 kb of TSS, the methylation level remained low no matter what the gene expression levels were.