1.How do I put this? 2.What's the word for it?/What's the word I'm looking for? 3.I don't remember what I was going to say./I don't know what I was going to say./I was going to say something but I forgot./Fogot what I was going to say. 4.I don't know off the top of my head. 5.It was on the tips of my tongue. 6.I lost my train of thought. 7.Where was I?/What was I saying?/Where were we talking agout? 8.I went blank for a moment./my mind went blank for a second. 9.發明一個字 10.something like that/what ever you call it/
