Английский словарь американских идиом - burst into

{v. phr.} 1. To enter suddenly. * /Stuart burst into the room, screaming angrily./ 2. To break out. * /The crowd burst out cheering when the astronauts paraded along Fifth Avenue./ BURST WITH JOY or pride {v. phr.} To be so full of the feeling of joy or pride that one cannot refrain from showing one's exuberant feelings. * /Armstrong and Aldrin burst with pride when they stepped out on the moon in July, 196 9./