he was caught caught with his hands in the cookie jar帮记忙翻译,特别是cookie jar是个什么东东?

cookie jar 饼干桶
他被抓了个正着（被抓的时候手正在饼干桶里）

他被抓获被捕与他的手在曲奇罐子
cookie jar是曲奇罐

他被抓了个正着,抓了个现行,当场被抓住.
get caught with one's hands in the cookie jar是个词组,当场被抓住的意思.

Cookie jars, also known as biscuit jars, have been used in England since the latter part of the 18th century. They were often made of glass with metal lids. Cookie jars became popular in the America around the time of the Great Depression in 1929. Early American cookie jars were made of glass with metal screw-on lids. In the 1930s, stoneware became predominant as the material for American cookie jars. Early cookie jars typically have simple cylindrical shapes and were often painted with floral or leaf decorations or emblazoned with colorful decals.