Why don't you do the experiment? I'm sure you would do it really well.
你干吗不做这个实验呢?我相信你一定会干的很棒的。
Pierre and I borrowed the money and bought the necklace. During the next ten years we both worked day and night to pay back the money we had borrowed. That's why I now look so old. Well, after all these years we've at last paid back all the money.