to milk the bull
01
無駄骨を折る, 無意味なことをする
to engage in a fruitless or pointless activity
disapproving
idiom
informal
old use
例
If we keep focusing on this issue, we'll just be milking the bull - it's time to move on to something else.
今さら彼を説得しようとしても無駄骨だ。



























