Britons find being older than 52 is nothing to laugh about because that's the age when they start becoming grumpy, according to a survey on Friday.

根据周五发布的一项调查，对于英国人来说，年龄超过52岁没什么好高兴的，因为过了52岁，人的脾气就会见长。

The poll of 2,000 Britons found those over 50 laughed far less than their younger counterparts and complained far more.

While infants laughed up to 300 times a day, that figure had fallen to an average of six laughs by teenage years and only 2.5 daily chuckles¹（咯咯的笑） for those over 60, the survey for cable TV channel Dave found.

Men were also found to be grumpier（脾气坏） than women.

One reason for the decline in mirth（欢笑，欢乐） might be the lack of joke-telling skills. The study found the average Briton only knows two jokes.