Try as I may I could never explain.

试着解释我无法解释的。

youdao

Keynes, though, could never explain exactly what the mechanism was.

凯恩斯，不过，无法解释到底是什么机制。

youdao

I just know that it was something very complex and confused, that I could never explain in words, but I am sure that I was experiencing a terrible anguish.

我只是感觉到它很复杂和混乱，但永远也无法用语言来描述，可是我很确定我正在经历很严重的困扰和痛苦。

youdao

He could never explain why he should be president.

ECONOMIST: Lexington

She could not explain how she knew this, never having seen the couple.

NEWYORKER: Temporary

Now, when it comes to providing our young people the education they deserve, see, Barack knows that like me and I know so many of you, we never could have attended college without financial aid. (Applause.) Let me just explain to you, we would not be here if it weren't for financial aid.

WHITEHOUSE: Remarks by the First Lady at a Campaign Event