Meanings of do nut in English

Why do nut oils tend to become rancid easily and can this tendency be remedied?

Then turning to Ann Eliza he asked how she would get home if he did nut return.

For a long time I did nut dare to trust myself; because I too have been on the brink of being deceived.

Within four years, I had become the senior manager of budgeting and planning, doing nuts-and-bolts financial stuff that was right up my alley.

We then ask the next question: Are nuts adequate as far as their proteins contain these essential amino acids, and do nuts contain vitamines?

Hogs eagerly feed upon and destroy vast numbers of them; and even the squirrels devour them with as great a relish as they do nuts.

" Do nut speek," the man said.