"I'm sure I don't know," Cook said with confidence.

“我确信我不知道。”库克自信地说。

金山词霸

Through which channel did he get to know your mother?" — "I have no idea.

“他是通过什么渠道认识你母亲的？”——“我不知道。”

金山词霸

No, I don't know the room number.

不，我不知道房间号。

金山词霸

I don't know what he has done, he just bumbles through life.

我不知道他做了些什么事, 他简直是在混日子.

《简明英汉词典》

I wonder why these dresses have been marked down.

我不知道这些服装为什么减价.

《简明英汉词典》

I wonder who will play in the basketball match.

我不知道这场篮球赛谁会上场.

《简明英汉词典》

I wonder what those children are after in that shed.

我不知道那些孩子在棚子里寻找什么.

《简明英汉词典》

There's something afoot here, but I don't know what it is.

这里有什么东西不对劲, 但我不知道到底是什么.

《简明英汉词典》

I don't know, and for that matter, I don't care.

我不知道, 对此我也不在乎.

《简明英汉词典》

I don't know the cause of his abrupt leave.

我不知道他突然离去的原因.

《简明英汉词典》

" I wonder if I shall ever see them again, " he mused.

“ 我不知道是否还可以再见到他们, ” 他沉思自问.

《简明英汉词典》

I don't know how I managed to swallow my anger.

我不知道怎样才能抑制住我的愤怒.

《简明英汉词典》

I don't know why he held his cards close to his chest.

我不知道他为何一直守口如瓶.

《简明英汉词典》

I don't know how she manages to live off her painting.

我不知道她怎么能以画画为生.

《简明英汉词典》

I don't know why I feel so fed up this morning.

我不知道为什么今天上午情绪这么低落.

《简明英汉词典》