略知一二的英文

“略知一二”对应的英文单词有：have a smattering of、know a little、have a rough idea、know just a little ，一共4个，具体意思及用法如下：

have a smattering of略知一二

know a little粗知一二；略知一二

have a rough idea粗知一二；略知一二

know just a little略知一二