have a good mind to do sth
想去做某事,可能会做某事(但不确定)
used to say that you think you will do sth, although you are not sure
I've half a mind to come with you tomorrow.明天我可能会和你一起去。
have a good mind to do sth
(表明有心做某事,但未必采取行动)
used to say that you disapprove of what sb has done and should do sth about it, although you probably will not
I've a good mind to write and tell your parents about it.我真想写信给你父母,告诉他们这件事。
释义来自《牛津高阶英汉双解词典》第 9 版