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- What could he mean? 他到底是什么意思？
- With that very murky background, what could he do? 有着这样阴暗的背景，他别无他法。
- What could he do in face of all these difficulties? 面对这些困难,他能干什么呢?
- What could he doing during this time? 他这个时候可能在干什么呢？
- What could he do in the face of all these difficulties? 在所有这些困难面前，他能怎么办呢?
- What could he, with his bare hands, do against so many armed men? 他赤手空拳，怎么能挡得了那么多的武装兵士?
- The king despaired. What could he do to help his daughter? 国王真是绝望极了“要怎样才可以帮他女儿呢?”
- What could the sharks do to his airpipe? How could he ward them off or destroy them? 鲨鱼将如何对待他的通气管呢?怎样才能驱散或杀死鲨鱼呢?
- If a burglar was informed all the exits were guarded, what could he do to escape? 假如强盗得知所有的出口都有人站岗,那么他怎么才能逃出去?
- What did he mean by that remark? 他那样说是什麽意思?
- What could he do, he wondered, to prepare himself for his debut Monday on the witness stand? 他想，为星期一在证人席上首次露面他能做些什么准备?
- As if by standing he meant to begin correcting what could not be corrected and then he knew the foolishness of this intention and became more awkward than ever. 仿佛他站起来打算开始纠正并不能纠正的事情似的。然而她意识到这个打算的愚蠢而变得更加尴尬;
- Perhaps the wife starts wondering, "What could he be thinking?" as he lies on the couch watching TV instead of doting on her. 当丈夫躺在沙发上紧盯着电视屏幕，而不再像以前那样对自己百般娇宠，作妻子的也许就会开始猜疑：“他心里到底在想些什么呢？”
- What does he mean by cancelling his performance? 他取消演出是什么意思?
- How could he get his heavy box up all those stairs? 这么重的箱子他是怎么抬上楼的？
- I can't even guess at what he means. 他什么意思我连猜也猜不出。
- Confound him, what does he mean by dogging me? 该死的家伙，他干吗老盯住我呢?
- How could he take on himself to say that? 他怎么能那样说呢?
- What does he mean by that gesture? 他做的那个手势是什么意思？
- How could he take upon himself to say that? 他怎么能那样说呢?
