But that's only natural because you don't know their ways yet.

Oh my, leaving the table in the middle of a meal is bad manners, you know.

I'm aghast at the lack of manners, common sense and so on and so forth on the net.

His manners were far from pleasant.

I was embarrassed by his bad manners.

They attributed his bad manners to lack of training in childhood.

Who taught them table manners?

As these days most parents indulge their children, many children don't know what good manners are.

But he has bad manners.

It's polite to say "itadakimasu" before eating one's meal.

Cell phones are convenient, but I want them to be used responsibly.

Tom can't put up with Mary's bad manners any longer.

Who taught them table manners?