No-no

Division by zero is a big no-no in mathematics.

That's a no-no.

Smoking is a no-no in hospitals.

Japanese like the number 14, which they interpret as meaning "to die alone"; however, the number 24 is not really popular amongst Japanese people. Such numbers are a no-no to Chinese, who think that the number 4 is just unlucky; however, that number is sacred to Japanese. The number 54 is acceptable to speakers of Cantonese, for whom it means "not dead." Chinese prefer the number 3, the "life" or "birth" number. Japanese and Chinese people have different cultures, of course.

This is a huge no-no.

Carelessness is a no-no.

Smoking indoors is becoming a real no-no these days, in many places.

Mr. UDALL. Madam Chairman, the gentleman from New York (Mr. Bingham), is wrong in his supposition that the use of a picture is to be prohibited on a newsletter. Let me make some legislative history. The masthead or the heading of a newsletter with a picture of the Member is intended to be approved. As a matter of fact, in this language we turned it around. These no-noes are taken out of the old Post Office Manual, where they had over the years compiled a list of things one could or could not do, and pictures, except to illustrate text, used to be under the prohibitions.

And a person of integrity observes all the good sportsmanship rules toward a beaten opponent. Integrity recognizes the integrity of other persons. To do otherwise would be to commit a no-no. And you don’t want to go around committing no-noes, do you?

Countless issues arise in family life every day, from the litany of no-noes showered on the toddler, to calling the preschooler in for his lunch.