How could I know you was looking at anything?

我怎么知道你在看什么东西？

youdao

Of course I'm very sorry, but how could I know you were in the drawer?

我当然很抱歉，但我怎么知道你在抽屉里呢？

youdao

"It will come again," the grandfather called up from below; "how could I know that you were coming back?"

“它很快就会被搬回来的，”祖父从下面喊道，“我怎么会知道你要回来呢？”

youdao

How could I answer the child? I do not know what it is any more than he.

VOA: special.2009.04.12

For most children and most of you, I hope, the answer's pretty clear: Autistic children will often just shrug, say, "How could I know?"

对于多数儿童和成人来说,但愿,答案非常明显,孤独症儿童通常只是耸耸肩,说,"我怎么会知道"

耶鲁公开课 - 心理学导论课程节选

I don't know how he could not think there was a bubble, but he didn't see it.

我不知道他为何认为不存在泡沫,但是他没有看出来

耶鲁公开课 - 金融市场课程节选

But, how could I know if meggings were for me unless I actually tried them on?

CNN: Apparently This Matters: Meggings

Instead of getting angry at PayPal, my demeanor changed, and I wanted to know how I could protect myself even more.

FORBES: How To Protect Yourself From PayPal Identity Theft

When they brought me back to my cell, I was hurt and ashamed, and I didn't know how I could face my fellow prisoners.

CNN: McCain: Change is coming