[bàn jīn bā liǎng]
six of one and half a dozen of the other; not much to choose between the two; as broad as it is long; the pot calling the kettle back; well matched; much of a muchness; birds of a feather; tweedledum and tweedledee
Are they two birds of a feather， as you say?
他們倆是不是像你們說的是半斤八兩呢?
If popularization remains at the same level for ever, won't the educators and those being educated be six of one and half a dozen of the other?
如果普及工作永遠停留在一個水平上， 那么教育者和被教育者豈不都是半斤八兩?