ReadWriteQuiz
Chinese dictionary
unable to call to mind
我实在想不起来他的名字。
I am simply unable to call to mind his name.
我真的想不起来了。
My memory is really at fault.
有时想不起来原稿怎么写的,我就即兴发挥,改变措辞。
Sometimes I improvise and change the words because I forget the original draft.