What I meant to say was… 我的意思是說...
Let me rephrase that…我換個(gè)說法來說就是...
Let me put this another way…我來換個(gè)說法
Perhaps I'm not making myself clear… 可能我表達(dá)得不夠清楚
If we go back to the beginning… 我們從頭再來說一下
The basic idea is … 基本的想法是
I can't find the word I'm looking for… 我找不到合適的詞來表達(dá)
I'm not sure that this is the right word, but… 我不知道這樣表達(dá)對(duì)不對(duì),但是...
What I want to say is… 我想說的是...