工作学习 / 外语学习 / 一时想不起（要说的内容），用英语怎么说？可以这么说：to blank out：to suddenly forget what one was about to say. 例如：My neighbor blanks out on my name every time we meet. 再如：I was about to say something important, but I blanked out！
-houseful(探长);
2016-4-10(#10040558@0)
It's on the tip of my tongue, but I blank out.
-houseful(探长);
2016-4-10(#10040562@0)+1
It slipped out of my mind.
-houseful(探长);
2016-4-10(#10040563@0)
I lost train of my mind.
-redwine888(@t@);
2016-4-23(#10064965@0)
I lost train of thought. 或者 I lost track of thought.（一时思绪中断了，离开了原话题）。
-houseful(探长);
2016-4-26(#10068795@0)
it was in my head
-hhyang(?!之WolfInSheepFlock);
2016-9-5(#10289410@0)