The rivalry remained intense throughout the late 80's but only during the regular season.

The rivalry became even more intense during the 1992-1994 seasons.

It may call through the day but calling is most intense during dawn and dusk.

She has said the government went to "battle stations" when the intelligence warnings became intense during the spring and summer of 2001.

But if the competition is as intense then as during today's bidding, the figure could go much higher.

The activity in this field has been particularly intense during the 1970s and the 2000s (decade).

"She's intense during a race, but not before or afterward," she said.

Campaigning was intense during the week before the poll.

The feeling of arousal that had been so intense first during the play and then again out in the alley continued to call to him.

Though the process continues for years, it is most intense during the first six months after a divorce.