"I must translate everything and it will cause grave insult if your words are not pertinent."

This is a grave insult to the House of the Dragon.

In the Bush family, the gravest insult is to be called a wimp.

He refused on both accounts, however, which she regarded as a grave insult.

Spitting on anyone or their belongings is seen as a grave insult.

They have offered grave insult to me and to my wife.

The original, in turn, took this as a grave insult.

It would be a grave insult to refuse the oath now.

It will be a grave insult if the ambassador does not see me.

In Chinese culture, to call a man a 'tortoise' is a grave insult.