As merry as a cricket

字面理解：像蟋蟀一样快活

英文解释：very happy and carefree

中文意思：非常快活的

例句：Jim was as merry as a cricket when we saw him at Christmas.

圣诞节期间我们见到了吉姆，他非常快活。

典故：在英国的文化中，蟋蟀的叫声常使人联想到一种宁静、舒适、幸福之感，人们常喜欢说“merry little cricket”(快乐的小蛐蛐)。