The four groups meeting today are known in diplomatic circles as the quartet.

Guess they mixed in the same diplomatic circles, got to know each other.

During his time in Washington, he was a popular figure in the capital's diplomatic circles.

Outside diplomatic circles, there were also opposite reactions to the protest in some media.

Veteran police officials and those who work in diplomatic circles said they could not recall a similar case.

"I gather your father's an important man in diplomatic circles."

Such an exchange of knowledge might be considered valuable in diplomatic circles.

Her paintings were bought by dignitaries in Paris and the diplomatic circle of the early 1970s.

"Do your diplomatic circles have any reasons to go along with the word?"

She makes a living as a semi-prostitute, and is quite wanted in diplomatic circles of the city.