精品学习网考试频道小编应广大考生的需要，特为参加考试的考生策划了“PETS4写作精选短语：blow off steam”专题等有关资料，供考生参考!
blow off steam
(verb phrase)
to release frustration or anger that has been building up; also to celebrate or do something in a loud or noisy way
EXAMPLE:
After a week of negotiations with the union, the workers decided to have a party and blow off steam.