put words in/into sb's mouth

If you say that someone is putting words into your mouth or is putting words in your mouth, you mean that they are suggesting that you mean one thing when you really mean something different.

如果你说某人put words in/into your mouth ，你的意思是他们表示你说的某事，和实际上你说的事，并不是一件事;曲解(某人)的话，故意歪曲(某人)的话

Stop putting words in my mouth - I didn't say you looked fat in the red dress - I merely said you looked very slim in the black!

别曲解我的话——我并不是说你穿红色显胖——我只是说你穿黑色显得非常苗条!