nagły przypływ

Across the plain, there was a sudden upsurge in the flames consuming Bora.

But the surprise of their being there was drowned in the sudden upsurge of wonderment.

The cost of living also went up: it was a sudden upsurge in 1937-38 that led to strikes in Jamaica.

But he had gotten off to a poor start in his third year, overwhelmed by a sudden upsurge in coursework.

It kept his mind occupied enough to prevent a sudden upsurge of memories.

I always hoped-" He stopped, choked by the sudden upsurge of feeling.

At the end, she is surprised by that sudden upsurge and she has time to think: Oh!

So what is behind the sudden upsurge in interest?

A sudden upsurge of despair could very well push him into doing something foolish.

The international community was taken by surprise by the sudden upsurge in violence.