I mean idiom
A2 （用于纠正说过的话或进一步添加信息）我的意思是
used to correct what you have just said or to add more information
I really do love him - as a friend, I mean. 我真的爱他——我的意思是，作为朋友。
（用于引出要说的话）我是说
something that people often say before they start or continue their sentence
I mean, he's a good teacher, but I just don't like him. 我是说，我觉得他是个好老师，只是我不喜欢他。