“I'll tell more. I could tell you why they did it.”
我還能說更多。我可以告訴你們他們為什麼這麼做。
一句承諾把懸著的故事又往前推一步,勾著人非聽下去不可。
I could tell you why ...
想吊人胃口、表示還留一手時用;正式彙報裡別這樣賣關子。
There's more where that came from. / I can tell you the reason behind it.
口語
tell more 連讀,why they did it 一氣呵成收尾。
I could tell you why the deal fell through. 我可以告訴你這單生意為什麼黃了。