This was a small airless house and in the corner he discovered a water pump. He was so excited and went forward to draw water, but no water came out no matter how hard he tried.

这是一个不通风的小房子。在小角落里他发现了一个抽水机。他为此很兴奋，便上前去抽水，但无论他如何努力都没有水出来。

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The trouble is no matter how hard he tried, Malcolm didn't seem to get anywhere.

问题是无论马尔科姆再怎么努力，他似乎都一事无成。

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Each time Zhou had to learn a more difficult set of martial arts. No matter how hard he tried

每次都是一种难度更大的新武功要学，怎么苦练也跟不上孤独九剑的进度

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David knew the ads were displayed on his profile, but could do nothing to remove them no matter how hard he tried.

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"The lawn needs to be watered, the cat box is stinky, there are dirty socks in the living room, silverware in the grass out back, and I can't get those children to get to bed at 7:30 no matter how hard I try, " he says.

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For a long time, he said, no matter how hard the medical team tried, it had no survivors.

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